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1364320431 = 32178917127
BaseRepresentation
bin101000101010001…
…1110000010101111
310112002012122210100
41101110132002233
510243231223211
6343214042143
745544350405
oct12124360257
93462178710
101364320431
1164013a151
12320aa9353
131898685c6
14cd2a5475
157eb98156
hex5151e0af

1364320431 has 12 divisors (see below), whose sum is σ = 2086607952. Its totient is φ = 856044096.

The previous prime is 1364320429. The next prime is 1364320501. The reversal of 1364320431 is 1340234631.

1364320431 is a `hidden beast` number, since 13 + 643 + 2 + 0 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 1364320431 - 21 = 1364320429 is a prime.

It is a super-4 number, since 4×13643204314 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1364320395 and 1364320404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364320411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4458411 + ... + 4458716.

It is an arithmetic number, because the mean of its divisors is an integer number (173883996).

Almost surely, 21364320431 is an apocalyptic number.

1364320431 is a deficient number, since it is larger than the sum of its proper divisors (722287521).

1364320431 is a wasteful number, since it uses less digits than its factorization.

1364320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917150 (or 8917147 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1364320431 is about 36936.7084483715. The cubic root of 1364320431 is about 1109.1036323211.

The spelling of 1364320431 in words is "one billion, three hundred sixty-four million, three hundred twenty thousand, four hundred thirty-one".

Divisors: 1 3 9 17 51 153 8917127 26751381 80254143 151591159 454773477 1364320431