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90740115 = 3352412789
BaseRepresentation
bin1010110100010…
…01010110010011
320022202002001000
411122021112103
5141212140430
613000513043
72151164304
oct532112623
9208662030
1090740115
1147247434
122647b783
1315a50a9b
14c0a07ab
157e75e60
hex5689593

90740115 has 32 divisors (see below), whose sum is σ = 162043200. Its totient is φ = 48176640.

The previous prime is 90740113. The next prime is 90740119. The reversal of 90740115 is 51104709.

It is not a de Polignac number, because 90740115 - 21 = 90740113 is a prime.

It is a super-3 number, since 3×907401153 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (90740113) 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 31 ways as a sum of consecutive naturals, for example, 31141 + ... + 33929.

It is an arithmetic number, because the mean of its divisors is an integer number (5063850).

Almost surely, 290740115 is an apocalyptic number.

90740115 is a deficient number, since it is larger than the sum of its proper divisors (71303085).

90740115 is a wasteful number, since it uses less digits than its factorization.

90740115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 90740115 is about 9525.7605995532. The cubic root of 90740115 is about 449.3655503618.

The spelling of 90740115 in words is "ninety million, seven hundred forty thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 27 45 135 241 723 1205 2169 2789 3615 6507 8367 10845 13945 25101 32535 41835 75303 125505 376515 672149 2016447 3360745 6049341 10082235 18148023 30246705 90740115