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90753288 = 2333781387
BaseRepresentation
bin1010110100011…
…00100100001000
320022202202002220
411122030210020
5141213101123
613001054040
72151250563
oct532144410
9208682086
1090753288
114725631a
1226487320
1315a56a92
14c0a54da
157e79ce3
hex568c908

90753288 has 16 divisors (see below), whose sum is σ = 226883280. Its totient is φ = 30251088.

The previous prime is 90753281. The next prime is 90753301. The reversal of 90753288 is 88235709.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90753281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890670 + ... + 1890717.

It is an arithmetic number, because the mean of its divisors is an integer number (14180205).

Almost surely, 290753288 is an apocalyptic number.

It is an amenable number.

90753288 is an abundant number, since it is smaller than the sum of its proper divisors (136129992).

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

90753288 is a wasteful number, since it uses less digits than its factorization.

90753288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781396 (or 3781392 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 90753288 is about 9526.4520153098. The cubic root of 90753288 is about 449.3872945337.

It can be divided in two parts, 90 and 753288, that added together give a triangular number (753378 = T1227).

The spelling of 90753288 in words is "ninety million, seven hundred fifty-three thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 3781387 7562774 11344161 15125548 22688322 30251096 45376644 90753288