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90553012 = 221121943229
BaseRepresentation
bin1010110010110…
…11101010110100
320022101120101021
411121123222310
5141140144022
612552510524
72146454644
oct531335264
9208346337
1090553012
1147129900
12263ab444
13159b6884
14c052524
157e3a7c7
hex565bab4

90553012 has 72 divisors (see below), whose sum is σ = 188434400. Its totient is φ = 37920960.

The previous prime is 90553003. The next prime is 90553013. The reversal of 90553012 is 21035509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90553013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395314 + ... + 395542.

Almost surely, 290553012 is an apocalyptic number.

It is an amenable number.

90553012 is an abundant number, since it is smaller than the sum of its proper divisors (97881388).

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

90553012 is a wasteful number, since it uses less digits than its factorization.

90553012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 90553012 is about 9515.9346361774. The cubic root of 90553012 is about 449.0564790569.

The spelling of 90553012 in words is "ninety million, five hundred fifty-three thousand, twelve".

Divisors: 1 2 4 11 19 22 38 43 44 76 86 121 172 209 229 242 418 458 473 484 817 836 916 946 1634 1892 2299 2519 3268 4351 4598 5038 5203 8702 8987 9196 9847 10076 10406 17404 17974 19694 20812 27709 35948 39388 47861 55418 95722 98857 108317 110836 187093 191444 197714 216634 374186 395428 433268 526471 748372 1052942 1191487 2058023 2105884 2382974 4116046 4765948 8232092 22638253 45276506 90553012