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90710712 = 23331923312
BaseRepresentation
bin1010110100000…
…10001010111000
320022200120201000
411122002022320
5141210220322
613000125000
72151012501
oct532021270
9208616630
1090710712
1147227334
1226466760
1315a405a1
14c093ba8
157e6c3ac
hex56822b8

90710712 has 192 divisors, whose sum is σ = 285984000. Its totient is φ = 26516160.

The previous prime is 90710701. The next prime is 90710729. The reversal of 90710712 is 21701709.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2926137 + ... + 2926167.

It is an arithmetic number, because the mean of its divisors is an integer number (1489500).

Almost surely, 290710712 is an apocalyptic number.

90710712 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90710712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142992000).

90710712 is an abundant number, since it is smaller than the sum of its proper divisors (195273288).

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

90710712 is a wasteful number, since it uses less digits than its factorization.

90710712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 90710712 is about 9524.2171331821. The cubic root of 90710712 is about 449.3170083520.

The spelling of 90710712 in words is "ninety million, seven hundred ten thousand, seven hundred twelve".