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40675881 = 375717911
BaseRepresentation
bin1001101100101…
…0101000101001
32211112112211010
42123022220221
540403112011
64011454133
71002511401
oct233125051
984475733
1040675881
1120a62434
1211757349
13857238c
14558b801
1538871a6
hex26caa29

40675881 has 8 divisors (see below), whose sum is σ = 54309184. Its totient is φ = 27079920.

The previous prime is 40675879. The next prime is 40675889. The reversal of 40675881 is 18857604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40675881 - 21 = 40675879 is a prime.

It is a super-2 number, since 2×406758812 = 3309054590252322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40675889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6685 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (6788648).

Almost surely, 240675881 is an apocalyptic number.

It is an amenable number.

40675881 is a deficient number, since it is larger than the sum of its proper divisors (13633303).

40675881 is a wasteful number, since it uses less digits than its factorization.

40675881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18671.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 40675881 is about 6377.7645770285. The cubic root of 40675881 is about 343.9106745943.

The spelling of 40675881 in words is "forty million, six hundred seventy-five thousand, eight hundred eighty-one".

Divisors: 1 3 757 2271 17911 53733 13558627 40675881