Base | Representation |
---|---|
bin | 111011110100… |
… | …1010101101001 |
3 | 2012000110221120 |
4 | 1313221111221 |
5 | 31012130312 |
6 | 3040125453 |
7 | 530410365 |
oct | 167512551 |
9 | 65013846 |
10 | 31364457 |
11 | 16782643 |
12 | a606889 |
13 | 6662067 |
14 | 42462a5 |
15 | 2b4828c |
hex | 1de9569 |
31364457 has 8 divisors (see below), whose sum is σ = 43261440. Its totient is φ = 20188560.
The previous prime is 31364449. The next prime is 31364461. The reversal of 31364457 is 75446313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31364457 - 23 = 31364449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31364407) 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, 180169 + ... + 180342.
It is an arithmetic number, because the mean of its divisors is an integer number (5407680).
Almost surely, 231364457 is an apocalyptic number.
It is an amenable number.
31364457 is a deficient number, since it is larger than the sum of its proper divisors (11896983).
31364457 is a wasteful number, since it uses less digits than its factorization.
31364457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360543.
The product of its digits is 30240, while the sum is 33.
The square root of 31364457 is about 5600.3979322902. The cubic root of 31364457 is about 315.3643453606.
The spelling of 31364457 in words is "thirty-one million, three hundred sixty-four thousand, four hundred fifty-seven".
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