Search a number
-
+
57258858 = 239543143
BaseRepresentation
bin1101101001101…
…1001101101010
310222202001101110
43122123031222
5104124240413
65403131150
71263456306
oct332331552
9128661343
1057258858
112a359478
1217213ab6
13bb2a3a7
147866d06
1550608c3
hex369b36a

57258858 has 8 divisors (see below), whose sum is σ = 114517728. Its totient is φ = 19086284.

The previous prime is 57258841. The next prime is 57258863. The reversal of 57258858 is 85885275.

It is a happy number.

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

57258858 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4771566 + ... + 4771577.

It is an arithmetic number, because the mean of its divisors is an integer number (14314716).

Almost surely, 257258858 is an apocalyptic number.

57258858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57258858 is a wasteful number, since it uses less digits than its factorization.

57258858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9543148.

The product of its digits is 896000, while the sum is 48.

The square root of 57258858 is about 7566.9583056866. The cubic root of 57258858 is about 385.4318154896.

The spelling of 57258858 in words is "fifty-seven million, two hundred fifty-eight thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 9543143 19086286 28629429 57258858