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92221090 = 25131741729
BaseRepresentation
bin1010111111100…
…10111010100010
320102112022112221
411133302322202
5142102033330
613052341254
72166603103
oct537627242
9212468487
1092221090
1148069085
1226a7482a
131614bbc0
14c3683aa
158169b7a
hex57f2ea2

92221090 has 32 divisors (see below), whose sum is σ = 189287280. Its totient is φ = 32047104.

The previous prime is 92221067. The next prime is 92221121. The reversal of 92221090 is 9012229.

It can be written as a sum of positive squares in 8 ways, for example, as 13242321 + 78978769 = 3639^2 + 8887^2 .

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, 18655 + ... + 23074.

Almost surely, 292221090 is an apocalyptic number.

92221090 is an abundant number, since it is smaller than the sum of its proper divisors (97066190).

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

92221090 is a wasteful number, since it uses less digits than its factorization.

92221090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41766.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 92221090 is about 9603.1812437338. The cubic root of 92221090 is about 451.7970771847.

The spelling of 92221090 in words is "ninety-two million, two hundred twenty-one thousand, ninety".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 41729 83458 208645 417290 542477 709393 1084954 1418786 2712385 3546965 5424770 7093930 9222109 18444218 46110545 92221090