Base | Representation |
---|---|
bin | 1010110100010… |
… | …01010110010011 |
3 | 20022202002001000 |
4 | 11122021112103 |
5 | 141212140430 |
6 | 13000513043 |
7 | 2151164304 |
oct | 532112623 |
9 | 208662030 |
10 | 90740115 |
11 | 47247434 |
12 | 2647b783 |
13 | 15a50a9b |
14 | c0a07ab |
15 | 7e75e60 |
hex | 5689593 |
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".
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