Base | Representation |
---|---|
bin | 11110001100000… |
… | …10011001110111 |
3 | 122122111222021111 |
4 | 33012002121313 |
5 | 1004312202301 |
6 | 41043455451 |
7 | 6163340545 |
oct | 1706023167 |
9 | 578458244 |
10 | 253240951 |
11 | 11aa47747 |
12 | 70987587 |
13 | 40608922 |
14 | 258c0d95 |
15 | 17374551 |
hex | f182677 |
253240951 has 8 divisors (see below), whose sum is σ = 257671008. Its totient is φ = 248820000.
The previous prime is 253240927. The next prime is 253240957. The reversal of 253240951 is 159042352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253240951 - 25 = 253240919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253240957) 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, 77766 + ... + 80956.
It is an arithmetic number, because the mean of its divisors is an integer number (32208876).
Almost surely, 2253240951 is an apocalyptic number.
253240951 is a deficient number, since it is larger than the sum of its proper divisors (4430057).
253240951 is a wasteful number, since it uses less digits than its factorization.
253240951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4553.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 253240951 is about 15913.5461478578. The cubic root of 253240951 is about 632.6710737239.
The spelling of 253240951 in words is "two hundred fifty-three million, two hundred forty thousand, nine hundred fifty-one".
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