Search a number
-
+
330233040 = 243253371361
BaseRepresentation
bin10011101011101…
…111010011010000
3212000101120120100
4103223233103100
51134014424130
652434012400
711116635354
oct2353572320
9760346510
10330233040
1115a453a75
1292717100
1353554b87
1431c03464
151ded1c60
hex13aef4d0

330233040 has 120 divisors (see below), whose sum is σ = 1113140808. Its totient is φ = 87736320.

The previous prime is 330233027. The next prime is 330233047. The reversal of 330233040 is 40332033.

330233040 is a `hidden beast` number, since 330 + 2 + 330 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 330076224 = 396^2 + 18168^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330233047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241960 + ... + 243320.

Almost surely, 2330233040 is an apocalyptic number.

330233040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330233040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556570404).

330233040 is an abundant number, since it is smaller than the sum of its proper divisors (782907768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330233040 is a wasteful number, since it uses less digits than its factorization.

330233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 330233040 is about 18172.3152074798. The cubic root of 330233040 is about 691.2049519000.

Adding to 330233040 its reverse (40332033), we get a palindrome (370565073).

It can be divided in two parts, 33023 and 3040, that added together give a palindrome (36063).

The spelling of 330233040 in words is "three hundred thirty million, two hundred thirty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 337 360 674 720 1011 1348 1361 1685 2022 2696 2722 3033 3370 4044 4083 5055 5392 5444 6066 6740 6805 8088 8166 10110 10888 12132 12249 13480 13610 15165 16176 16332 20220 20415 21776 24264 24498 26960 27220 30330 32664 40440 40830 48528 48996 54440 60660 61245 65328 80880 81660 97992 108880 121320 122490 163320 195984 242640 244980 326640 458657 489960 917314 979920 1375971 1834628 2293285 2751942 3669256 4127913 4586570 5503884 6879855 7338512 8255826 9173140 11007768 13759710 16511652 18346280 20639565 22015536 27519420 33023304 36692560 41279130 55038840 66046608 82558260 110077680 165116520 330233040