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40897373 = 1117321491
BaseRepresentation
bin1001110000000…
…0101101011101
32211221210122112
42130000231131
540432203443
64020323405
71004423216
oct234005535
984853575
1040897373
11210a3890
1211843565
13861c13a
14560840d
1538ccb18
hex2700b5d

40897373 has 8 divisors (see below), whose sum is σ = 44875296. Its totient is φ = 36962800.

The previous prime is 40897361. The next prime is 40897391. The reversal of 40897373 is 37379804.

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

It is a cyclic number.

It is not a de Polignac number, because 40897373 - 28 = 40897117 is a prime.

It is a super-2 number, since 2×408973732 = 3345190236602258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40897373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40897303) 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, 8843 + ... + 12648.

It is an arithmetic number, because the mean of its divisors is an integer number (5609412).

Almost surely, 240897373 is an apocalyptic number.

It is an amenable number.

40897373 is a deficient number, since it is larger than the sum of its proper divisors (3977923).

40897373 is a wasteful number, since it uses less digits than its factorization.

40897373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21675.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 40897373 is about 6395.1053939712. The cubic root of 40897373 is about 344.5337761785.

The spelling of 40897373 in words is "forty million, eight hundred ninety-seven thousand, three hundred seventy-three".

Divisors: 1 11 173 1903 21491 236401 3717943 40897373