Base | Representation |
---|---|
bin | 1010110100111… |
… | …11011000101001 |
3 | 20022220122212001 |
4 | 11122133120221 |
5 | 141223033002 |
6 | 13002451001 |
7 | 2152021411 |
oct | 532373051 |
9 | 208818761 |
10 | 90830377 |
11 | 472a9230 |
12 | 26503a61 |
13 | 15a82bb1 |
14 | c0c5641 |
15 | 7e92a87 |
hex | 569f629 |
90830377 has 4 divisors (see below), whose sum is σ = 99087696. Its totient is φ = 82573060.
The previous prime is 90830351. The next prime is 90830413. The reversal of 90830377 is 77303809.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 90830377 - 219 = 90306089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90830347) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4128643 + ... + 4128664.
It is an arithmetic number, because the mean of its divisors is an integer number (24771924).
Almost surely, 290830377 is an apocalyptic number.
It is an amenable number.
90830377 is a deficient number, since it is larger than the sum of its proper divisors (8257319).
90830377 is a wasteful number, since it uses less digits than its factorization.
90830377 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8257318.
The product of its (nonzero) digits is 31752, while the sum is 37.
The square root of 90830377 is about 9530.4972063371. The cubic root of 90830377 is about 449.5145002567.
The spelling of 90830377 in words is "ninety million, eight hundred thirty thousand, three hundred seventy-seven".
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