Search a number
-
+
57442670 = 255744267
BaseRepresentation
bin1101101100100…
…0000101101110
311000002101112022
43123020011232
5104201131140
65411110142
71265153225
oct333100556
9130071468
1057442670
112a47458a
12172a2352
13bb92c5c
1478b3cbc
15509a0b5
hex36c816e

57442670 has 8 divisors (see below), whose sum is σ = 103396824. Its totient is φ = 22977064.

The previous prime is 57442669. The next prime is 57442687. The reversal of 57442670 is 7624475.

57442670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57442670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872124 + ... + 2872143.

It is an arithmetic number, because the mean of its divisors is an integer number (12924603).

Almost surely, 257442670 is an apocalyptic number.

57442670 is a deficient number, since it is larger than the sum of its proper divisors (45954154).

57442670 is a wasteful number, since it uses less digits than its factorization.

57442670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744274.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 57442670 is about 7579.0942730646. The cubic root of 57442670 is about 385.8438118130.

The spelling of 57442670 in words is "fifty-seven million, four hundred forty-two thousand, six hundred seventy".

Divisors: 1 2 5 10 5744267 11488534 28721335 57442670