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90763115 = 518152623
BaseRepresentation
bin1010110100011…
…10111101101011
320022210020120212
411122032331223
5141213404430
613001211335
72151321332
oct532167553
9208706525
1090763115
1147262743
1226490b4b
1315a5b3b1
14c0a8d19
157e7cb95
hex568ef6b

90763115 has 4 divisors (see below), whose sum is σ = 108915744. Its totient is φ = 72610488.

The previous prime is 90763111. The next prime is 90763117. The reversal of 90763115 is 51136709.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51136709 = 133933593.

It is a cyclic number.

It is not a de Polignac number, because 90763115 - 22 = 90763111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90763111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9076307 + ... + 9076316.

It is an arithmetic number, because the mean of its divisors is an integer number (27228936).

Almost surely, 290763115 is an apocalyptic number.

90763115 is a deficient number, since it is larger than the sum of its proper divisors (18152629).

90763115 is a wasteful number, since it uses less digits than its factorization.

90763115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18152628.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 90763115 is about 9526.9677757406. The cubic root of 90763115 is about 449.4035142199.

The spelling of 90763115 in words is "ninety million, seven hundred sixty-three thousand, one hundred fifteen".

Divisors: 1 5 18152623 90763115