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147793086 = 23871609
BaseRepresentation
bin10001100111100…
…10010010111110
3101022002200000000
420303302102332
5300313334321
622355415130
73443135430
oct1063622276
9338080000
10147793086
1176475151
12415b44a6
132480853c
14158b2650
15ce95826
hex8cf24be

147793086 has 72 divisors (see below), whose sum is σ = 380256240. Its totient is φ = 42200352.

The previous prime is 147793043. The next prime is 147793111. The reversal of 147793086 is 680397741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91050 + ... + 92658.

Almost surely, 2147793086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147793086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190128120).

147793086 is an abundant number, since it is smaller than the sum of its proper divisors (232463154).

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

147793086 is an frugal number, since it uses more digits than its factorization.

147793086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 147793086 is about 12157.0179731709. The cubic root of 147793086 is about 528.7106263121.

The spelling of 147793086 in words is "one hundred forty-seven million, seven hundred ninety-three thousand, eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 729 1134 1458 1609 1701 2187 3218 3402 4374 4827 5103 6561 9654 10206 11263 13122 14481 15309 22526 28962 30618 33789 43443 45927 67578 86886 91854 101367 130329 202734 260658 304101 390987 608202 781974 912303 1172961 1824606 2345922 2736909 3518883 5473818 7037766 8210727 10556649 16421454 21113298 24632181 49264362 73896543 147793086