Search a number
-
+
57349642 = 278946027
BaseRepresentation
bin1101101011000…
…1011000001010
310222220122220211
43122301120022
5104140142032
65405111334
71264315060
oct332613012
9128818824
1057349642
112a4106a9
121725854a
13bb5c7cc
14788c030
15507c747
hex36b160a

57349642 has 16 divisors (see below), whose sum is σ = 99420480. Its totient is φ = 24301728.

The previous prime is 57349639. The next prime is 57349651. The reversal of 57349642 is 24694375.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57349595 and 57349604.

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, 21768 + ... + 24259.

It is an arithmetic number, because the mean of its divisors is an integer number (6213780).

Almost surely, 257349642 is an apocalyptic number.

57349642 is a deficient number, since it is larger than the sum of its proper divisors (42070838).

57349642 is a wasteful number, since it uses less digits than its factorization.

57349642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46125.

The product of its digits is 181440, while the sum is 40.

The square root of 57349642 is about 7572.9546413537. The cubic root of 57349642 is about 385.6354088238.

It can be divided in two parts, 5734 and 9642, that added together give a square (15376 = 1242).

The spelling of 57349642 in words is "fifty-seven million, three hundred forty-nine thousand, six hundred forty-two".

Divisors: 1 2 7 14 89 178 623 1246 46027 92054 322189 644378 4096403 8192806 28674821 57349642