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40872668 = 2219735179
BaseRepresentation
bin1001101111101…
…0101011011100
32211220112202112
42123322223130
540430411133
64020013152
71004261204
oct233725334
984815675
1040872668
1121087271
12118311b8
138610b15
1455dd404
1538c5648
hex26faadc

40872668 has 12 divisors (see below), whose sum is σ = 71577240. Its totient is φ = 20422032.

The previous prime is 40872653. The next prime is 40872677. The reversal of 40872668 is 86627804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303 + ... + 10481.

It is an arithmetic number, because the mean of its divisors is an integer number (5964770).

Almost surely, 240872668 is an apocalyptic number.

It is an amenable number.

40872668 is a deficient number, since it is larger than the sum of its proper divisors (30704572).

40872668 is a wasteful number, since it uses less digits than its factorization.

40872668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156 (or 7154 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 40872668 is about 6393.1735468388. The cubic root of 40872668 is about 344.4643876841.

The spelling of 40872668 in words is "forty million, eight hundred seventy-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 1973 3946 5179 7892 10358 20716 10218167 20436334 40872668