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90914555 = 5171069583
BaseRepresentation
bin1010110101100…
…11111011111011
320100001221022202
411122303323323
5141233231210
613004340415
72152522004
oct532637373
9210057282
1090914555
11473564a6
122654470b
1315ab22c4
14c1081ab
157eac9a5
hex56b3efb

90914555 has 8 divisors (see below), whose sum is σ = 115515072. Its totient is φ = 68453248.

The previous prime is 90914539. The next prime is 90914567. The reversal of 90914555 is 55541909.

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 90914555 - 24 = 90914539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534707 + ... + 534876.

It is an arithmetic number, because the mean of its divisors is an integer number (14439384).

Almost surely, 290914555 is an apocalyptic number.

90914555 is a deficient number, since it is larger than the sum of its proper divisors (24600517).

90914555 is a wasteful number, since it uses less digits than its factorization.

90914555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069605.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 90914555 is about 9534.9124274951. The cubic root of 90914555 is about 449.6533214659.

The spelling of 90914555 in words is "ninety million, nine hundred fourteen thousand, five hundred fifty-five".

Divisors: 1 5 17 85 1069583 5347915 18182911 90914555