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397044499 = 4310398887
BaseRepresentation
bin10111101010100…
…110101100010011
31000200002221122211
4113222212230103
51303120410444
6103222012551
712560552065
oct2752465423
91020087584
10397044499
11194137455
12b0b77157
1364348297
143aa35735
1524cccc34
hex17aa6b13

397044499 has 8 divisors (see below), whose sum is σ = 406714880. Its totient is φ = 387394056.

The previous prime is 397044467. The next prime is 397044517. The reversal of 397044499 is 994440793.

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 397044499 - 25 = 397044467 is a prime.

It is a super-2 number, since 2×3970444992 = 315288668372322002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397044409) 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, 40234 + ... + 49120.

It is an arithmetic number, because the mean of its divisors is an integer number (50839360).

Almost surely, 2397044499 is an apocalyptic number.

397044499 is a deficient number, since it is larger than the sum of its proper divisors (9670381).

397044499 is a wasteful number, since it uses less digits than its factorization.

397044499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 397044499 is about 19925.9754842768. The cubic root of 397044499 is about 734.9871187216.

The spelling of 397044499 in words is "three hundred ninety-seven million, forty-four thousand, four hundred ninety-nine".

Divisors: 1 43 1039 8887 44677 382141 9233593 397044499