Base | Representation |
---|---|
bin | 11110001011101… |
… | …00010000101111 |
3 | 122122102000211000 |
4 | 33011310100233 |
5 | 1004303324043 |
6 | 41042331343 |
7 | 6163006632 |
oct | 1705642057 |
9 | 578360730 |
10 | 253183023 |
11 | 11aa08175 |
12 | 70959b53 |
13 | 405b8452 |
14 | 258a7c19 |
15 | 173622d3 |
hex | f17442f |
253183023 has 16 divisors (see below), whose sum is σ = 397150560. Its totient is φ = 158859648.
The previous prime is 253183019. The next prime is 253183039. The reversal of 253183023 is 320381352.
It is not a de Polignac number, because 253183023 - 22 = 253183019 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253183013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275340 + ... + 276257.
It is an arithmetic number, because the mean of its divisors is an integer number (24821910).
Almost surely, 2253183023 is an apocalyptic number.
253183023 is a deficient number, since it is larger than the sum of its proper divisors (143967537).
253183023 is a wasteful number, since it uses less digits than its factorization.
253183023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 551623 (or 551617 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 253183023 is about 15911.7259591787. The cubic root of 253183023 is about 632.6228295982.
The spelling of 253183023 in words is "two hundred fifty-three million, one hundred eighty-three thousand, twenty-three".
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