Base | Representation |
---|---|
bin | 11110001101110… |
… | …10110011011000 |
3 | 122122221201011101 |
4 | 33012322303120 |
5 | 1004342100320 |
6 | 41052441144 |
7 | 6165322210 |
oct | 1706726330 |
9 | 578851141 |
10 | 253471960 |
11 | 120095265 |
12 | 70a791b4 |
13 | 40689b11 |
14 | 25941240 |
15 | 173bcc0a |
hex | f1bacd8 |
253471960 has 64 divisors (see below), whose sum is σ = 680140800. Its totient is φ = 83124096.
The previous prime is 253471949. The next prime is 253471973. The reversal of 253471960 is 69174352.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13240 + ... + 26119.
It is an arithmetic number, because the mean of its divisors is an integer number (10627200).
Almost surely, 2253471960 is an apocalyptic number.
253471960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253471960 is an abundant number, since it is smaller than the sum of its proper divisors (426668840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253471960 is a wasteful number, since it uses less digits than its factorization.
253471960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39400 (or 39396 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 253471960 is about 15920.8027435805. The cubic root of 253471960 is about 632.8633916110.
The spelling of 253471960 in words is "two hundred fifty-three million, four hundred seventy-one thousand, nine hundred sixty".
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