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404272597489 = 1997491446753
BaseRepresentation
bin1011110001000001000…
…01100100100111110001
31102122111110012210220021
411320200201210213301
523110422241104424
6505415324443441
741131152244315
oct5704041444761
91378443183807
10404272597489
111464a6384102
12664260a9581
132c179884c37
14157d17d5b45
15a7b1a684e4
hex5e208649f1

404272597489 has 16 divisors (see below), whose sum is σ = 430813817280. Its totient is φ = 378273853440.

The previous prime is 404272597483. The next prime is 404272597501. The reversal of 404272597489 is 984795272404.

It is a cyclic number.

It is not a de Polignac number, because 404272597489 - 219 = 404272073201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404272597483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681537 + ... + 1128289.

It is an arithmetic number, because the mean of its divisors is an integer number (26925863580).

Almost surely, 2404272597489 is an apocalyptic number.

It is an amenable number.

404272597489 is a deficient number, since it is larger than the sum of its proper divisors (26541219791).

404272597489 is a wasteful number, since it uses less digits than its factorization.

404272597489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447360.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 404272597489 in words is "four hundred four billion, two hundred seventy-two million, five hundred ninety-seven thousand, four hundred eighty-nine".

Divisors: 1 19 97 491 1843 9329 47627 446753 904913 8488307 43335041 219355723 823365779 4167758737 21277505131 404272597489