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90464485 = 529623893
BaseRepresentation
bin1010110010001…
…10000011100101
320022020001221111
411121012003211
5141124330420
612550545021
72145635566
oct531060345
9208201844
1090464485
1147079341
1226368171
13159854a7
14c02c16d
157e1e45a
hex56460e5

90464485 has 8 divisors (see below), whose sum is σ = 112300920. Its totient is φ = 69875904.

The previous prime is 90464471. The next prime is 90464503. The reversal of 90464485 is 58446409.

It can be written as a sum of positive squares in 4 ways, for example, as 24383844 + 66080641 = 4938^2 + 8129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90464485 - 27 = 90464357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311802 + ... + 312091.

It is an arithmetic number, because the mean of its divisors is an integer number (14037615).

Almost surely, 290464485 is an apocalyptic number.

It is an amenable number.

90464485 is a deficient number, since it is larger than the sum of its proper divisors (21836435).

90464485 is a wasteful number, since it uses less digits than its factorization.

90464485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623927.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 90464485 is about 9511.2819850954. The cubic root of 90464485 is about 448.9100948789.

It can be divided in two parts, 9046 and 4485, that added together give a palindrome (13531).

The spelling of 90464485 in words is "ninety million, four hundred sixty-four thousand, four hundred eighty-five".

Divisors: 1 5 29 145 623893 3119465 18092897 90464485