Base | Representation |
---|---|
bin | 11110000101100… |
… | …00000101001110 |
3 | 122120220012112210 |
4 | 33002300011032 |
5 | 1004102120340 |
6 | 41013211250 |
7 | 6153122130 |
oct | 1702600516 |
9 | 576805483 |
10 | 252379470 |
11 | 11a509482 |
12 | 70630b26 |
13 | 40396785 |
14 | 25739050 |
15 | 17254180 |
hex | f0b014e |
252379470 has 128 divisors (see below), whose sum is σ = 746127360. Its totient is φ = 53343360.
The previous prime is 252379447. The next prime is 252379499. The reversal of 252379470 is 74973252.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170835 + ... + 172305.
It is an arithmetic number, because the mean of its divisors is an integer number (5829120).
Almost surely, 2252379470 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 252379470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373063680).
252379470 is an abundant number, since it is smaller than the sum of its proper divisors (493747890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252379470 is a wasteful number, since it uses less digits than its factorization.
252379470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1550.
The product of its (nonzero) digits is 105840, while the sum is 39.
The square root of 252379470 is about 15886.4555518215. The cubic root of 252379470 is about 631.9528469200.
The spelling of 252379470 in words is "two hundred fifty-two million, three hundred seventy-nine thousand, four hundred seventy".
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