Base | Representation |
---|---|
bin | 101101100100… |
… | …0101010010001 |
3 | 1122221202201012 |
4 | 1123020222101 |
5 | 22103444302 |
6 | 2212020305 |
7 | 410031554 |
oct | 133105221 |
9 | 48852635 |
10 | 23890577 |
11 | 12538387 |
12 | 8001695 |
13 | 4c46249 |
14 | 325c69b |
15 | 216da52 |
hex | 16c8a91 |
23890577 has 16 divisors (see below), whose sum is σ = 25764480. Its totient is φ = 22108800.
The previous prime is 23890561. The next prime is 23890591. The reversal of 23890577 is 77509832.
It is a cyclic number.
It is not a de Polignac number, because 23890577 - 24 = 23890561 is a prime.
It is a super-3 number, since 3×238905773 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is not an unprimeable number, because it can be changed into a prime (23890507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84278 + ... + 84560.
It is an arithmetic number, because the mean of its divisors is an integer number (1610280).
Almost surely, 223890577 is an apocalyptic number.
It is an amenable number.
23890577 is a deficient number, since it is larger than the sum of its proper divisors (1873903).
23890577 is a wasteful number, since it uses less digits than its factorization.
23890577 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424.
The product of its (nonzero) digits is 105840, while the sum is 41.
The square root of 23890577 is about 4887.7987888210. The cubic root of 23890577 is about 288.0108703780.
The spelling of 23890577 in words is "twenty-three million, eight hundred ninety thousand, five hundred seventy-seven".
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