Base | Representation |
---|---|
bin | 101100001010… |
… | …0001100100000 |
3 | 1121120012201222 |
4 | 1120110030200 |
5 | 21411321032 |
6 | 2144114212 |
7 | 400532525 |
oct | 130241440 |
9 | 47505658 |
10 | 23151392 |
11 | 12082a90 |
12 | 7905968 |
13 | 4a47964 |
14 | 310914c |
15 | 2074a12 |
hex | 1614320 |
23151392 has 48 divisors (see below), whose sum is σ = 50349600. Its totient is φ = 10391040.
The previous prime is 23151371. The next prime is 23151397. The reversal of 23151392 is 29315132.
It is not an unprimeable number, because it can be changed into a prime (23151397) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30959 + ... + 31697.
It is an arithmetic number, because the mean of its divisors is an integer number (1048950).
Almost surely, 223151392 is an apocalyptic number.
23151392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23151392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25174800).
23151392 is an abundant number, since it is smaller than the sum of its proper divisors (27198208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23151392 is a wasteful number, since it uses less digits than its factorization.
23151392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 849 (or 841 counting only the distinct ones).
The product of its digits is 1620, while the sum is 26.
The square root of 23151392 is about 4811.5893424107. The cubic root of 23151392 is about 285.0093030717.
The spelling of 23151392 in words is "twenty-three million, one hundred fifty-one thousand, three hundred ninety-two".
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