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40859712 = 263270937
BaseRepresentation
bin1001101111011…
…1100001000000
32211212212222200
42123313201000
540430002322
64015433200
71004205345
oct233674100
984785880
1040859712
1121078563
1211825800
138607c5a
1455d87cc
1538c18ac
hex26f7840

40859712 has 42 divisors (see below), whose sum is σ = 117118638. Its totient is φ = 13619712.

The previous prime is 40859681. The next prime is 40859713. The reversal of 40859712 is 21795804.

It can be written as a sum of positive squares in only one way, i.e., 30206016 + 10653696 = 5496^2 + 3264^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40859713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34893 + ... + 36044.

It is an arithmetic number, because the mean of its divisors is an integer number (2788539).

Almost surely, 240859712 is an apocalyptic number.

It is an amenable number.

40859712 is an abundant number, since it is smaller than the sum of its proper divisors (76258926).

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

40859712 is a wasteful number, since it uses less digits than its factorization.

40859712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70955 (or 70942 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 40859712 is about 6392.1601982428. The cubic root of 40859712 is about 344.4279872200.

The spelling of 40859712 in words is "forty million, eight hundred fifty-nine thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 70937 141874 212811 283748 425622 567496 638433 851244 1134992 1276866 1702488 2269984 2553732 3404976 4539968 5107464 6809952 10214928 13619904 20429856 40859712