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1308906974 = 25322355373
BaseRepresentation
bin100111000000100…
…0101010111011110
310101012221100211002
41032001011113132
510140040010344
6333514230302
744302345214
oct11601052736
93335840732
101308906974
11611931201
12306425392
1317b23618b
14c5b9ccb4
1579d9e44e
hex4e0455de

1308906974 has 16 divisors (see below), whose sum is σ = 2009411712. Its totient is φ = 639214368.

The previous prime is 1308906947. The next prime is 1308907007. The reversal of 1308906974 is 4796098031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4049 + ... + 51324.

It is an arithmetic number, because the mean of its divisors is an integer number (125588232).

Almost surely, 21308906974 is an apocalyptic number.

1308906974 is a deficient number, since it is larger than the sum of its proper divisors (700504738).

1308906974 is a wasteful number, since it uses less digits than its factorization.

1308906974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55651.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1308906974 is about 36178.8194113628. The cubic root of 1308906974 is about 1093.8797781723.

The spelling of 1308906974 in words is "one billion, three hundred eight million, nine hundred six thousand, nine hundred seventy-four".

Divisors: 1 2 53 106 223 446 11819 23638 55373 110746 2934769 5869538 12348179 24696358 654453487 1308906974