Base | Representation |
---|---|
bin | 1010110100011… |
… | …10100111110011 |
3 | 20022210011200000 |
4 | 11122032213303 |
5 | 141213333330 |
6 | 13001201043 |
7 | 2151314262 |
oct | 532164763 |
9 | 208704600 |
10 | 90761715 |
11 | 47261690 |
12 | 26490183 |
13 | 15a5a875 |
14 | c0a85d9 |
15 | 7e7c560 |
hex | 568e9f3 |
90761715 has 48 divisors (see below), whose sum is σ = 178004736. Its totient is φ = 43999200.
The previous prime is 90761687. The next prime is 90761719. The reversal of 90761715 is 51716709.
It is not a de Polignac number, because 90761715 - 211 = 90759667 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 90761715.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90761719) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9970 + ... + 16760.
It is an arithmetic number, because the mean of its divisors is an integer number (3708432).
Almost surely, 290761715 is an apocalyptic number.
90761715 is a deficient number, since it is larger than the sum of its proper divisors (87243021).
90761715 is a wasteful number, since it uses less digits than its factorization.
90761715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6822 (or 6810 counting only the distinct ones).
The product of its (nonzero) digits is 13230, while the sum is 36.
The square root of 90761715 is about 9526.8942998230. The cubic root of 90761715 is about 449.4012035597.
The spelling of 90761715 in words is "ninety million, seven hundred sixty-one thousand, seven hundred fifteen".
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