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90465653 = 1711347093
BaseRepresentation
bin1010110010001…
…10010101110101
320022020010112202
411121012111311
5141124400103
612550554245
72145642155
oct531062565
9208203482
1090465653
114707a203
1226368985
1315985b95
14c02c765
157e1e988
hex5646575

90465653 has 8 divisors (see below), whose sum is σ = 96636888. Its totient is φ = 84388864.

The previous prime is 90465649. The next prime is 90465659. The reversal of 90465653 is 35656409.

It can be written as a sum of positive squares in 4 ways, for example, as 28654609 + 61811044 = 5353^2 + 7862^2 .

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 90465653 - 22 = 90465649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90465659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21626 + ... + 25467.

It is an arithmetic number, because the mean of its divisors is an integer number (12079611).

Almost surely, 290465653 is an apocalyptic number.

It is an amenable number.

90465653 is a deficient number, since it is larger than the sum of its proper divisors (6171235).

90465653 is a wasteful number, since it uses less digits than its factorization.

90465653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47223.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 90465653 is about 9511.3433856632. The cubic root of 90465653 is about 448.9120268515.

The spelling of 90465653 in words is "ninety million, four hundred sixty-five thousand, six hundred fifty-three".

Divisors: 1 17 113 1921 47093 800581 5321509 90465653