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32197490469 = 3312724373853
BaseRepresentation
bin11101111111000111…
…101011011100100101
310002002220020222121000
4131333013223130211
51011420024143334
622442531543513
72216612103414
oct357707533445
9102086228530
1032197490469
111272270a161
1262a6a5ab99
133061728411
1417b623147b
15c869ec299
hex77f1eb725

32197490469 has 32 divisors (see below), whose sum is σ = 48107786240. Its totient is φ = 21281714496.

The previous prime is 32197490461. The next prime is 32197490503. The reversal of 32197490469 is 96409479123.

32197490469 is a `hidden beast` number, since 3 + 2 + 1 + 97 + 4 + 90 + 469 = 666.

It is not a de Polignac number, because 32197490469 - 23 = 32197490461 is a prime.

It is a super-2 number, since 2×321974904692 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32197490461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8354547 + ... + 8358399.

It is an arithmetic number, because the mean of its divisors is an integer number (1503368320).

Almost surely, 232197490469 is an apocalyptic number.

It is an amenable number.

32197490469 is a deficient number, since it is larger than the sum of its proper divisors (15910295771).

32197490469 is a wasteful number, since it uses less digits than its factorization.

32197490469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426 (or 6420 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 32197490469 in words is "thirty-two billion, one hundred ninety-seven million, four hundred ninety thousand, four hundred sixty-nine".

Divisors: 1 3 9 27 127 381 1143 2437 3429 3853 7311 11559 21933 34677 65799 104031 309499 489331 928497 1467993 2785491 4403979 8356473 9389761 13211937 28169283 84507849 253523547 1192499647 3577498941 10732496823 32197490469