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90864150 = 235213172741
BaseRepresentation
bin1010110101001…
…11101000010110
320022222101011220
411122213220112
5141230123100
613003311210
72152222026
oct532475026
9208871156
1090864150
1147321643
122651b506
1315a95390
14c0d3a86
157e9caa0
hex56a7a16

90864150 has 96 divisors (see below), whose sum is σ = 257046048. Its totient is φ = 21043200.

The previous prime is 90864143. The next prime is 90864157. The reversal of 90864150 is 5146809.

It is an interprime number because it is at equal distance from previous prime (90864143) and next prime (90864157).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90864157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31780 + ... + 34520.

It is an arithmetic number, because the mean of its divisors is an integer number (2677563).

Almost surely, 290864150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90864150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128523024).

90864150 is an abundant number, since it is smaller than the sum of its proper divisors (166181898).

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

90864150 is a wasteful number, since it uses less digits than its factorization.

90864150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 2781 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 90864150 is about 9532.2688799677. The cubic root of 90864150 is about 449.5702069211.

The spelling of 90864150 in words is "ninety million, eight hundred sixty-four thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 17 25 26 30 34 39 50 51 65 75 78 85 102 130 150 170 195 221 255 325 390 425 442 510 650 663 850 975 1105 1275 1326 1950 2210 2550 2741 3315 5482 5525 6630 8223 11050 13705 16446 16575 27410 33150 35633 41115 46597 68525 71266 82230 93194 106899 137050 139791 178165 205575 213798 232985 279582 356330 411150 465970 534495 605761 698955 890825 1068990 1164925 1211522 1397910 1781650 1817283 2329850 2672475 3028805 3494775 3634566 5344950 6057610 6989550 9086415 15144025 18172830 30288050 45432075 90864150