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90852501 = 3375211571
BaseRepresentation
bin1010110101001…
…00110010010101
320022221210012110
411122210302111
5141224240001
613003141233
72152143045
oct532446225
9208853173
1090852501
1147313913
1226514819
1315a8cc9c
14c0cd725
157e993d6
hex56a4c95

90852501 has 16 divisors (see below), whose sum is σ = 124728768. Its totient is φ = 58780800.

The previous prime is 90852499. The next prime is 90852511. The reversal of 90852501 is 10525809.

It is not a de Polignac number, because 90852501 - 21 = 90852499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90852511) 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 15 ways as a sum of consecutive naturals, for example, 57046 + ... + 58616.

It is an arithmetic number, because the mean of its divisors is an integer number (7795548).

Almost surely, 290852501 is an apocalyptic number.

It is an amenable number.

90852501 is a deficient number, since it is larger than the sum of its proper divisors (33876267).

90852501 is a wasteful number, since it uses less digits than its factorization.

90852501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 90852501 is about 9531.6578306190. The cubic root of 90852501 is about 449.5509941103.

The spelling of 90852501 in words is "ninety million, eight hundred fifty-two thousand, five hundred one".

Divisors: 1 3 37 111 521 1563 1571 4713 19277 57831 58127 174381 818491 2455473 30284167 90852501