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57241263 = 319080421
BaseRepresentation
bin1101101001011…
…0111010101111
310222201011020210
43122112322233
5104123210023
65402513503
71263354102
oct332267257
9128634223
1057241263
112a347232
1217205893
13bb22391
147860739
15505a593
hex3696eaf

57241263 has 4 divisors (see below), whose sum is σ = 76321688. Its totient is φ = 38160840.

The previous prime is 57241259. The next prime is 57241277. The reversal of 57241263 is 36214275.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57241263 - 22 = 57241259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57241263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57241763) 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, 9540208 + ... + 9540213.

It is an arithmetic number, because the mean of its divisors is an integer number (19080422).

Almost surely, 257241263 is an apocalyptic number.

57241263 is a deficient number, since it is larger than the sum of its proper divisors (19080425).

57241263 is a wasteful number, since it uses less digits than its factorization.

57241263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19080424.

The product of its digits is 10080, while the sum is 30.

The square root of 57241263 is about 7565.7955959701. The cubic root of 57241263 is about 385.3923318313.

The spelling of 57241263 in words is "fifty-seven million, two hundred forty-one thousand, two hundred sixty-three".

Divisors: 1 3 19080421 57241263