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90675432 = 233210312227
BaseRepresentation
bin1010110011110…
…01100011101000
320022121210022100
411121321203220
5141203103212
612555253400
72150504601
oct531714350
9208553270
1090675432
1147202881
122644a260
1315a2a503
14c084da8
157e61bdc
hex56798e8

90675432 has 48 divisors (see below), whose sum is σ = 247983840. Its totient is φ = 29929248.

The previous prime is 90675397. The next prime is 90675437. The reversal of 90675432 is 23457609.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (90675437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1303 + ... + 13529.

It is an arithmetic number, because the mean of its divisors is an integer number (5166330).

Almost surely, 290675432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90675432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123991920).

90675432 is an abundant number, since it is smaller than the sum of its proper divisors (157308408).

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

90675432 is a wasteful number, since it uses less digits than its factorization.

90675432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342 (or 12335 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 90675432 is about 9522.3648323303. The cubic root of 90675432 is about 449.2587500374.

The spelling of 90675432 in words is "ninety million, six hundred seventy-five thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 103 206 309 412 618 824 927 1236 1854 2472 3708 7416 12227 24454 36681 48908 73362 97816 110043 146724 220086 293448 440172 880344 1259381 2518762 3778143 5037524 7556286 10075048 11334429 15112572 22668858 30225144 45337716 90675432