Base | Representation |
---|---|
bin | 101101110000… |
… | …0110011110000 |
3 | 1200010210101120 |
4 | 1123200303300 |
5 | 22120130423 |
6 | 2214102240 |
7 | 410623125 |
oct | 133406360 |
9 | 50123346 |
10 | 23989488 |
11 | 125a5726 |
12 | 804a980 |
13 | 4c7c283 |
14 | 328674c |
15 | 218cee3 |
hex | 16e0cf0 |
23989488 has 20 divisors (see below), whose sum is σ = 61972968. Its totient is φ = 7996480.
The previous prime is 23989481. The next prime is 23989489. The reversal of 23989488 is 88498932.
It is a happy number.
It is a super-5 number, since 5×239894885 (a number of 38 digits) contains 55555 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23989488.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23989481) 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, 249843 + ... + 249938.
Almost surely, 223989488 is an apocalyptic number.
It is an amenable number.
23989488 is an abundant number, since it is smaller than the sum of its proper divisors (37983480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23989488 is a wasteful number, since it uses less digits than its factorization.
23989488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 499792 (or 499786 counting only the distinct ones).
The product of its digits is 995328, while the sum is 51.
The square root of 23989488 is about 4897.9064915533. The cubic root of 23989488 is about 288.4077942239.
The spelling of 23989488 in words is "twenty-three million, nine hundred eighty-nine thousand, four hundred eighty-eight".
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