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40756872 = 23313130631
BaseRepresentation
bin1001101101111…
…0011010001000
32211200122220210
42123132122020
540413204442
64013321120
71003266462
oct233363210
984618823
1040756872
1121008272
12117961a0
1385a01c0
1455ad132
1538a119c
hex26de688

40756872 has 32 divisors (see below), whose sum is σ = 109730880. Its totient is φ = 12540480.

The previous prime is 40756831. The next prime is 40756873. The reversal of 40756872 is 27865704.

40756872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×407568722 = 3322245230448768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 40756872.

It is not an unprimeable number, because it can be changed into a prime (40756873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65004 + ... + 65627.

It is an arithmetic number, because the mean of its divisors is an integer number (3429090).

Almost surely, 240756872 is an apocalyptic number.

It is an amenable number.

40756872 is an abundant number, since it is smaller than the sum of its proper divisors (68974008).

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

40756872 is a wasteful number, since it uses less digits than its factorization.

40756872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130653 (or 130649 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 40756872 is about 6384.1109012924. The cubic root of 40756872 is about 344.1387803121.

The spelling of 40756872 in words is "forty million, seven hundred fifty-six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 130631 261262 391893 522524 783786 1045048 1567572 1698203 3135144 3396406 5094609 6792812 10189218 13585624 20378436 40756872