Base | Representation |
---|---|
bin | 11110001101111… |
… | …11000010010110 |
3 | 122122222120221200 |
4 | 33012333002112 |
5 | 1004343124202 |
6 | 41053053330 |
7 | 6165423603 |
oct | 1706770226 |
9 | 578876850 |
10 | 253489302 |
11 | 1200a72a0 |
12 | 70a87246 |
13 | 40694991 |
14 | 259476aa |
15 | 173c2e1c |
hex | f1bf096 |
253489302 has 48 divisors (see below), whose sum is σ = 625218048. Its totient is φ = 73473840.
The previous prime is 253489297. The next prime is 253489307. The reversal of 253489302 is 203984352.
253489302 is a `hidden beast` number, since 2 + 5 + 348 + 9 + 302 = 666.
It is an interprime number because it is at equal distance from previous prime (253489297) and next prime (253489307).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253489307) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23278 + ... + 32385.
It is an arithmetic number, because the mean of its divisors is an integer number (13025376).
Almost surely, 2253489302 is an apocalyptic number.
253489302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
253489302 is an abundant number, since it is smaller than the sum of its proper divisors (371728746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253489302 is a wasteful number, since it uses less digits than its factorization.
253489302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55705 (or 55702 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 253489302 is about 15921.3473676068. The cubic root of 253489302 is about 632.8778243273.
It can be divided in two parts, 253 and 489302, that added together give a triangular number (489555 = T989).
The spelling of 253489302 in words is "two hundred fifty-three million, four hundred eighty-nine thousand, three hundred two".
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