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40726872 = 2332565651
BaseRepresentation
bin1001101101011…
…1000101011000
32211122010202200
42123113011120
540411224442
64012530200
71003113144
oct233270530
984563680
1040726872
1120a9777a
1211780960
13858c654
1455a2224
15389734c
hex26d7158

40726872 has 24 divisors (see below), whose sum is σ = 110302140. Its totient is φ = 13575600.

The previous prime is 40726871. The next prime is 40726877. The reversal of 40726872 is 27862704.

40726872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40726871) 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 5 ways as a sum of consecutive naturals, for example, 282754 + ... + 282897.

Almost surely, 240726872 is an apocalyptic number.

It is an amenable number.

40726872 is an abundant number, since it is smaller than the sum of its proper divisors (69575268).

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

40726872 is a wasteful number, since it uses less digits than its factorization.

40726872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565663 (or 565656 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 40726872 is about 6381.7608855237. The cubic root of 40726872 is about 344.0543225912.

The spelling of 40726872 in words is "forty million, seven hundred twenty-six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 565651 1131302 1696953 2262604 3393906 4525208 5090859 6787812 10181718 13575624 20363436 40726872