Base | Representation |
---|---|
bin | 11110000101100… |
… | …01111100110001 |
3 | 122120220121001011 |
4 | 33002301330301 |
5 | 1004102341441 |
6 | 41013310521 |
7 | 6153153340 |
oct | 1702617461 |
9 | 576817034 |
10 | 252387121 |
11 | 11a5141a8 |
12 | 70635441 |
13 | 4039a0bc |
14 | 2573bb57 |
15 | 17256581 |
hex | f0b1f31 |
252387121 has 8 divisors (see below), whose sum is σ = 288675200. Its totient is φ = 216157248.
The previous prime is 252387097. The next prime is 252387131. The reversal of 252387121 is 121783252.
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 252387121 - 217 = 252256049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (252387131) 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, 4821 + ... + 22978.
It is an arithmetic number, because the mean of its divisors is an integer number (36084400).
Almost surely, 2252387121 is an apocalyptic number.
It is an amenable number.
252387121 is a deficient number, since it is larger than the sum of its proper divisors (36288079).
252387121 is a wasteful number, since it uses less digits than its factorization.
252387121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29103.
The product of its digits is 6720, while the sum is 31.
The square root of 252387121 is about 15886.6963526090. The cubic root of 252387121 is about 631.9592328361.
The spelling of 252387121 in words is "two hundred fifty-two million, three hundred eighty-seven thousand, one hundred twenty-one".
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