Base | Representation |
---|---|
bin | 11000001000111… |
… | …01001111001000 |
3 | 112010000210210212 |
4 | 30010131033020 |
5 | 403314314140 |
6 | 32032100252 |
7 | 5006115125 |
oct | 1404351710 |
9 | 463023725 |
10 | 202494920 |
11 | a4337481 |
12 | 57994688 |
13 | 32c4baa4 |
14 | 1cc7174c |
15 | 12b9d765 |
hex | c11d3c8 |
202494920 has 32 divisors (see below), whose sum is σ = 456936120. Its totient is φ = 80762880.
The previous prime is 202494893. The next prime is 202494923. The reversal of 202494920 is 29494202.
It can be written as a sum of positive squares in 4 ways, for example, as 90516196 + 111978724 = 9514^2 + 10582^2 .
It is not an unprimeable number, because it can be changed into a prime (202494923) 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, 6950 + ... + 21290.
Almost surely, 2202494920 is an apocalyptic number.
202494920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202494920 is an abundant number, since it is smaller than the sum of its proper divisors (254441200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202494920 is a wasteful number, since it uses less digits than its factorization.
202494920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14705 (or 14701 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 202494920 is about 14230.0709766325. The cubic root of 202494920 is about 587.2252356336.
The spelling of 202494920 in words is "two hundred two million, four hundred ninety-four thousand, nine hundred twenty".
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