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90708955 = 529679337
BaseRepresentation
bin1010110100000…
…01101111011011
320022200111021221
411122001233123
5141210141310
613000112511
72151004411
oct532015733
9208614257
1090708955
1147225a87
1226465737
1315a3c84c
14c0932b1
157e6bada
hex5681bdb

90708955 has 16 divisors (see below), whose sum is σ = 114297120. Its totient is φ = 69011712.

The previous prime is 90708953. The next prime is 90708967. The reversal of 90708955 is 55980709.

It is a cyclic number.

It is not a de Polignac number, because 90708955 - 21 = 90708953 is a prime.

It is a super-2 number, since 2×907089552 = 16456229034384050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90708953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (7143570).

Almost surely, 290708955 is an apocalyptic number.

90708955 is a deficient number, since it is larger than the sum of its proper divisors (23588165).

90708955 is a wasteful number, since it uses less digits than its factorization.

90708955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9438.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 90708955 is about 9524.1248941832. The cubic root of 90708955 is about 449.3141073529.

The spelling of 90708955 in words is "ninety million, seven hundred eight thousand, nine hundred fifty-five".

Divisors: 1 5 29 67 145 335 1943 9337 9715 46685 270773 625579 1353865 3127895 18141791 90708955