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90313527 = 330104509
BaseRepresentation
bin1010110001000…
…01001100110111
320021221101212110
411120201030313
5141110013102
612543422103
72144436513
oct530411467
9207841773
1090313527
1146a85987
12262b4933
1315931875
14bdcd143
157dde86c
hex5621337

90313527 has 4 divisors (see below), whose sum is σ = 120418040. Its totient is φ = 60209016.

The previous prime is 90313513. The next prime is 90313549. The reversal of 90313527 is 72531309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72531309 = 324177103.

It is not a de Polignac number, because 90313527 - 26 = 90313463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90313494 and 90313503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90313577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15052252 + ... + 15052257.

It is an arithmetic number, because the mean of its divisors is an integer number (30104510).

Almost surely, 290313527 is an apocalyptic number.

90313527 is a deficient number, since it is larger than the sum of its proper divisors (30104513).

90313527 is a wasteful number, since it uses less digits than its factorization.

90313527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30104512.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 90313527 is about 9503.3429381455. The cubic root of 90313527 is about 448.6602572434.

The spelling of 90313527 in words is "ninety million, three hundred thirteen thousand, five hundred twenty-seven".

Divisors: 1 3 30104509 90313527