Base | Representation |
---|---|
bin | 101101010110… |
… | …1011101010000 |
3 | 1122202002212100 |
4 | 1122231131100 |
5 | 22041413102 |
6 | 2205400400 |
7 | 406055655 |
oct | 132553520 |
9 | 48662770 |
10 | 23779152 |
11 | 124716a1 |
12 | 7b69100 |
13 | 4c07607 |
14 | 322dc2c |
15 | 214aa1c |
hex | 16ad750 |
23779152 has 30 divisors (see below), whose sum is σ = 66549002. Its totient is φ = 7926336.
The previous prime is 23779111. The next prime is 23779153. The reversal of 23779152 is 25197732.
It can be written as a sum of positive squares in only one way, i.e., 14561856 + 9217296 = 3816^2 + 3036^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23779153) 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 5 ways as a sum of consecutive naturals, for example, 82423 + ... + 82710.
Almost surely, 223779152 is an apocalyptic number.
It is an amenable number.
23779152 is an abundant number, since it is smaller than the sum of its proper divisors (42769850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23779152 is a wasteful number, since it uses less digits than its factorization.
23779152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165147 (or 165138 counting only the distinct ones).
The product of its digits is 26460, while the sum is 36.
The square root of 23779152 is about 4876.3871872525. The cubic root of 23779152 is about 287.5624141746.
The spelling of 23779152 in words is "twenty-three million, seven hundred seventy-nine thousand, one hundred fifty-two".
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