Search a number
-
+
57576940 = 2252878847
BaseRepresentation
bin1101101110100…
…0110111101100
311000100012201021
43123220313230
5104214430230
65414023524
71266252541
oct333506754
9130305637
1057576940
112a556453
1217347ba4
13bc0c0c5
14790abc8
1550c4c7a
hex36e8dec

57576940 has 12 divisors (see below), whose sum is σ = 120911616. Its totient is φ = 23030768.

The previous prime is 57576923. The next prime is 57576947. The reversal of 57576940 is 4967575.

It is not an unprimeable number, because it can be changed into a prime (57576947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439404 + ... + 1439443.

It is an arithmetic number, because the mean of its divisors is an integer number (10075968).

Almost surely, 257576940 is an apocalyptic number.

It is an amenable number.

57576940 is an abundant number, since it is smaller than the sum of its proper divisors (63334676).

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

57576940 is a wasteful number, since it uses less digits than its factorization.

57576940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878856 (or 2878854 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 57576940 is about 7587.9470214281. The cubic root of 57576940 is about 386.1442094973.

The spelling of 57576940 in words is "fifty-seven million, five hundred seventy-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2878847 5757694 11515388 14394235 28788470 57576940