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57420310 = 2514334007
BaseRepresentation
bin1101101100001…
…0101000010110
311000001020212011
43123002220112
5104144422220
65410414434
71265031103
oct333025026
9130036764
1057420310
112a459802
121729141a
13bb85a1c
1478a9aaa
15509365a
hex36c2a16

57420310 has 16 divisors (see below), whose sum is σ = 103454496. Its totient is φ = 22946368.

The previous prime is 57420301. The next prime is 57420353. The reversal of 57420310 is 1302475.

It is a super-2 number, since 2×574203102 = 6594184000992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12327 + ... + 16333.

It is an arithmetic number, because the mean of its divisors is an integer number (6465906).

Almost surely, 257420310 is an apocalyptic number.

57420310 is a deficient number, since it is larger than the sum of its proper divisors (46034186).

57420310 is a wasteful number, since it uses less digits than its factorization.

57420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 57420310 is about 7577.6190191907. The cubic root of 57420310 is about 385.7937410944.

Adding to 57420310 its reverse (1302475), we get a palindrome (58722785).

The spelling of 57420310 in words is "fifty-seven million, four hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 1433 2866 4007 7165 8014 14330 20035 40070 5742031 11484062 28710155 57420310