Base | Representation |
---|---|
bin | 11011001111110… |
… | …111000001100011 |
3 | 1011212012020102221 |
4 | 123033313001203 |
5 | 1414012023441 |
6 | 113210051511 |
7 | 14220434410 |
oct | 3317670143 |
9 | 1155166387 |
10 | 457142371 |
11 | 215054914 |
12 | 109119b97 |
13 | 7392a95a |
14 | 449db107 |
15 | 2a1ee8d1 |
hex | 1b3f7063 |
457142371 has 4 divisors (see below), whose sum is σ = 522448432. Its totient is φ = 391836312.
The previous prime is 457142353. The next prime is 457142381. The reversal of 457142371 is 173241754.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 457142371 - 219 = 456618083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (457142381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32653020 + ... + 32653033.
It is an arithmetic number, because the mean of its divisors is an integer number (130612108).
Almost surely, 2457142371 is an apocalyptic number.
457142371 is a deficient number, since it is larger than the sum of its proper divisors (65306061).
457142371 is an equidigital number, since it uses as much as digits as its factorization.
457142371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65306060.
The product of its digits is 23520, while the sum is 34.
The square root of 457142371 is about 21380.8879843659. The cubic root of 457142371 is about 770.3424411511.
The spelling of 457142371 in words is "four hundred fifty-seven million, one hundred forty-two thousand, three hundred seventy-one".
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