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1304886231 = 321116380863
BaseRepresentation
bin100110111000110…
…1111101111010111
310100221101002101200
41031301233233113
510133022324411
6333252123543
744223231015
oct11561575727
93327332350
101304886231
1160a635380
123050065b3
1317a45903c
14c54338b5
1579857e56
hex4dc6fbd7

1304886231 has 24 divisors (see below), whose sum is σ = 2068824576. Its totient is φ = 785978640.

The previous prime is 1304886217. The next prime is 1304886241. The reversal of 1304886231 is 1326884031.

It is not a de Polignac number, because 1304886231 - 210 = 1304885207 is a prime.

It is a super-2 number, since 2×13048862312 = 3405456151706770722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304886241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24295 + ... + 56568.

It is an arithmetic number, because the mean of its divisors is an integer number (86201024).

Almost surely, 21304886231 is an apocalyptic number.

1304886231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1304886231 is a deficient number, since it is larger than the sum of its proper divisors (763938345).

1304886231 is a wasteful number, since it uses less digits than its factorization.

1304886231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81043 (or 81040 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1304886231 is about 36123.2090351896. The cubic root of 1304886231 is about 1092.7585574972.

The spelling of 1304886231 in words is "one billion, three hundred four million, eight hundred eighty-six thousand, two hundred thirty-one".

Divisors: 1 3 9 11 33 99 163 489 1467 1793 5379 16137 80863 242589 727767 889493 2668479 8005437 13180669 39542007 118626021 144987359 434962077 1304886231