Search a number
-
+
1030530240 = 26325357823
BaseRepresentation
bin111101011011001…
…010010011000000
32122211010100201200
4331123022103000
54102303431430
6250131501200
734352235225
oct7533122300
92584110650
101030530240
11489786693
12249157800
1313566960c
149ac1794c
1560712460
hex3d6ca4c0

1030530240 has 84 divisors (see below), whose sum is σ = 3544604544. Its totient is φ = 274807296.

The previous prime is 1030530229. The next prime is 1030530271. The reversal of 1030530240 is 420350301.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176032 + ... + 181791.

Almost surely, 21030530240 is an apocalyptic number.

1030530240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030530240 is an abundant number, since it is smaller than the sum of its proper divisors (2514074304).

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

1030530240 is a wasteful number, since it uses less digits than its factorization.

1030530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357846 (or 357833 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1030530240 is about 32101.8728425617. The cubic root of 1030530240 is about 1010.0749021339.

Adding to 1030530240 its reverse (420350301), we get a palindrome (1450880541).

The spelling of 1030530240 in words is "one billion, thirty million, five hundred thirty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 357823 715646 1073469 1431292 1789115 2146938 2862584 3220407 3578230 4293876 5367345 5725168 6440814 7156460 8587752 10734690 11450336 12881628 14312920 16102035 17175504 21469380 22900672 25763256 28625840 32204070 34351008 42938760 51526512 57251680 64408140 68702016 85877520 103053024 114503360 128816280 171755040 206106048 257632560 343510080 515265120 1030530240