Search a number
-
+
57430258 = 2412632663
BaseRepresentation
bin1101101100010…
…1000011110010
311000001202111121
43123011003302
5104200232013
65410532454
71265102104
oct333050362
9130052447
1057430258
112a466226
121729712a
13bb8a402
1478ad574
15509658d
hex36c50f2

57430258 has 16 divisors (see below), whose sum is σ = 88615296. Its totient is φ = 27897760.

The previous prime is 57430231. The next prime is 57430277. The reversal of 57430258 is 85203475.

It is a happy number.

57430258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

57430258 is a modest number, since divided by 30258 gives 574 as remainder.

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 7 ways as a sum of consecutive naturals, for example, 20235 + ... + 22897.

It is an arithmetic number, because the mean of its divisors is an integer number (5538456).

Almost surely, 257430258 is an apocalyptic number.

57430258 is a deficient number, since it is larger than the sum of its proper divisors (31185038).

57430258 is a wasteful number, since it uses less digits than its factorization.

57430258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 57430258 is about 7578.2753974767. The cubic root of 57430258 is about 385.8160192425.

The spelling of 57430258 in words is "fifty-seven million, four hundred thirty thousand, two hundred fifty-eight".

Divisors: 1 2 41 82 263 526 2663 5326 10783 21566 109183 218366 700369 1400738 28715129 57430258