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90939108 = 223134791217
BaseRepresentation
bin1010110101110…
…01111011100100
320100010012000010
411122321323210
5141240022413
613005050220
72152653411
oct532717344
9210105003
1090939108
1147372997
1226556970
1315ac0530
14c113108
157eb4dc3
hex56b9ee4

90939108 has 48 divisors (see below), whose sum is σ = 229178880. Its totient is φ = 27899904.

The previous prime is 90939097. The next prime is 90939127. The reversal of 90939108 is 80193909.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74116 + ... + 75332.

It is an arithmetic number, because the mean of its divisors is an integer number (4774560).

Almost surely, 290939108 is an apocalyptic number.

It is an amenable number.

90939108 is an abundant number, since it is smaller than the sum of its proper divisors (138239772).

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

90939108 is a wasteful number, since it uses less digits than its factorization.

90939108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 90939108 is about 9536.1998720664. The cubic root of 90939108 is about 449.6937966289.

The spelling of 90939108 in words is "ninety million, nine hundred thirty-nine thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 479 958 1217 1437 1916 2434 2874 3651 4868 5748 6227 7302 12454 14604 15821 18681 24908 31642 37362 47463 63284 74724 94926 189852 582943 1165886 1748829 2331772 3497658 6995316 7578259 15156518 22734777 30313036 45469554 90939108