Base | Representation |
---|---|
bin | 11000001000011… |
… | …01110111111000 |
3 | 112002220121111012 |
4 | 30010031313320 |
5 | 403310310432 |
6 | 32030453052 |
7 | 5005433510 |
oct | 1404156770 |
9 | 462817435 |
10 | 202431992 |
11 | a42a4174 |
12 | 57964188 |
13 | 32c29259 |
14 | 1cc56840 |
15 | 12b89cb2 |
hex | c10ddf8 |
202431992 has 32 divisors (see below), whose sum is σ = 434613600. Its totient is φ = 86590464.
The previous prime is 202431989. The next prime is 202432033. The reversal of 202431992 is 299134202.
202431992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2024319922 = 81957422770176128, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28688 + ... + 35040.
It is an arithmetic number, because the mean of its divisors is an integer number (13581675).
Almost surely, 2202431992 is an apocalyptic number.
It is an amenable number.
202431992 is an abundant number, since it is smaller than the sum of its proper divisors (232181608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202431992 is a wasteful number, since it uses less digits than its factorization.
202431992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6935 (or 6931 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 202431992 is about 14227.8597125499. The cubic root of 202431992 is about 587.1643999706.
The spelling of 202431992 in words is "two hundred two million, four hundred thirty-one thousand, nine hundred ninety-two".
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