Search a number
-
+
57050763 = 3711491503
BaseRepresentation
bin1101100110100…
…0011010001011
310222100110221020
43121220122023
5104101111023
65354443523
71261631520
oct331503213
9128313836
1057050763
112a2270a0
12171335a3
13ba86763
147811147
15501dde3
hex366868b

57050763 has 32 divisors (see below), whose sum is σ = 95219712. Its totient is φ = 29517600.

The previous prime is 57050761. The next prime is 57050767. The reversal of 57050763 is 36705075.

It is a happy number.

57050763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57050763 - 21 = 57050761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (57050761) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 113170 + ... + 113672.

It is an arithmetic number, because the mean of its divisors is an integer number (2975616).

Almost surely, 257050763 is an apocalyptic number.

57050763 is a deficient number, since it is larger than the sum of its proper divisors (38168949).

57050763 is a wasteful number, since it uses less digits than its factorization.

57050763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 57050763 is about 7553.1955489051. The cubic root of 57050763 is about 384.9643256988.

The spelling of 57050763 in words is "fifty-seven million, fifty thousand, seven hundred sixty-three".

Divisors: 1 3 7 11 21 33 77 231 491 503 1473 1509 3437 3521 5401 5533 10311 10563 16203 16599 37807 38731 113421 116193 246973 740919 1728811 2716703 5186433 8150109 19016921 57050763