Search a number
-
+
40076800 = 295231101
BaseRepresentation
bin1001100011100…
…0011000000000
32210102010000221
42120320120000
540224424200
63550552424
7664434661
oct230703000
983363027
1040076800
1120693325
1211508714
1383c27aa
145473368
1537b991a
hex2638600

40076800 has 120 divisors (see below), whose sum is σ = 103511232. Its totient is φ = 15360000.

The previous prime is 40076797. The next prime is 40076801. The reversal of 40076800 is 867004.

It is a super-2 number, since 2×400768002 = 3212299796480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40076801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396750 + ... + 396850.

Almost surely, 240076800 is an apocalyptic number.

40076800 is a gapful number since it is divisible by the number (40) 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 40076800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51755616).

40076800 is an abundant number, since it is smaller than the sum of its proper divisors (63434432).

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

40076800 is a wasteful number, since it uses less digits than its factorization.

40076800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 40076800 is about 6330.6239818836. The cubic root of 40076800 is about 342.2139263245.

The spelling of 40076800 in words is "forty million, seventy-six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 101 124 128 155 160 200 202 248 256 310 320 400 404 496 505 512 620 640 775 800 808 992 1010 1240 1280 1550 1600 1616 1984 2020 2480 2525 2560 3100 3131 3200 3232 3968 4040 4960 5050 6200 6262 6400 6464 7936 8080 9920 10100 12400 12524 12800 12928 15655 15872 16160 19840 20200 24800 25048 25856 31310 32320 39680 40400 49600 50096 51712 62620 64640 78275 79360 80800 99200 100192 125240 129280 156550 161600 198400 200384 250480 258560 313100 323200 396800 400768 500960 626200 646400 801536 1001920 1252400 1292800 1603072 2003840 2504800 4007680 5009600 8015360 10019200 20038400 40076800