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57343971 = 3115116607
BaseRepresentation
bin1101101010111…
…1111111100011
310222220101010210
43122233333203
5104140001341
65405025203
71264262406
oct332577743
9128811123
1057343971
112a407413
1217255203
13bb5a059
147889d3d
15507ac16
hex36affe3

57343971 has 8 divisors (see below), whose sum is σ = 76529664. Its totient is φ = 38193800.

The previous prime is 57343943. The next prime is 57343973. The reversal of 57343971 is 17934375.

It is a happy number.

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 57343971 - 213 = 57335779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57343973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4851 + ... + 11756.

It is an arithmetic number, because the mean of its divisors is an integer number (9566208).

Almost surely, 257343971 is an apocalyptic number.

57343971 is a deficient number, since it is larger than the sum of its proper divisors (19185693).

57343971 is a wasteful number, since it uses less digits than its factorization.

57343971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761.

The product of its digits is 79380, while the sum is 39.

The square root of 57343971 is about 7572.5802075647. The cubic root of 57343971 is about 385.6226972623.

It can be divided in two parts, 573 and 43971, that added together give a palindrome (44544).

The spelling of 57343971 in words is "fifty-seven million, three hundred forty-three thousand, nine hundred seventy-one".

Divisors: 1 3 1151 3453 16607 49821 19114657 57343971