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989130738 = 23615714733
BaseRepresentation
bin111010111101001…
…110111111110010
32112221020001021210
4322331032333302
54011204140423
6242052300550
733340321041
oct7275167762
92487201253
10989130738
1146837a622
12237311756
13129c02a7b
149551c558
155bc85b93
hex3af4eff2

989130738 has 32 divisors (see below), whose sum is σ = 2014638912. Its totient is φ = 323668800.

The previous prime is 989130721. The next prime is 989130743. The reversal of 989130738 is 837031989.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206620 + ... + 211352.

It is an arithmetic number, because the mean of its divisors is an integer number (62957466).

Almost surely, 2989130738 is an apocalyptic number.

989130738 is an abundant number, since it is smaller than the sum of its proper divisors (1025508174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989130738 is a wasteful number, since it uses less digits than its factorization.

989130738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 989130738 is about 31450.4489316130. The cubic root of 989130738 is about 996.3637060602.

The spelling of 989130738 in words is "nine hundred eighty-nine million, one hundred thirty thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 61 122 183 366 571 1142 1713 3426 4733 9466 14199 28398 34831 69662 104493 208986 288713 577426 866139 1732278 2702543 5405086 8107629 16215258 164855123 329710246 494565369 989130738