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8390880938 = 2112943305857
BaseRepresentation
bin1111101000010001…
…01010111010101010
3210122202220220202002
413310020222322222
5114141031142223
63504341411002
7414635211506
oct76410527252
923582826662
108390880938
113616485050
121762109a62
13a39510b0b
14598577306
153419abe28
hex1f422aeaa

8390880938 has 32 divisors (see below), whose sum is σ = 14534372160. Its totient is φ = 3596866560.

The previous prime is 8390880923. The next prime is 8390880941.

8390880938 is nontrivially palindromic in base 10.

It is an unprimeable number.

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, 125495 + ... + 180362.

It is an arithmetic number, because the mean of its divisors is an integer number (454199130).

Almost surely, 28390880938 is an apocalyptic number.

8390880938 is a deficient number, since it is larger than the sum of its proper divisors (6143491222).

8390880938 is a wasteful number, since it uses less digits than its factorization.

8390880938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305942.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 8390880938 is about 91601.7518282265. The cubic root of 8390880938 is about 2032.0568455807.

The spelling of 8390880938 in words is "eight billion, three hundred ninety million, eight hundred eighty thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 29 43 58 86 319 473 638 946 1247 2494 13717 27434 305857 611714 3364427 6728854 8869853 13151851 17739706 26303702 97568383 144670361 195136766 289340722 381403679 762807358 4195440469 8390880938