Search a number
-
+
57303772 = 22195031499
BaseRepresentation
bin1101101010011…
…0001011011100
310222211022222221
43122212023130
5104132210042
65404115124
71264034251
oct332461334
9128738887
1057303772
112a38a199
1217235aa4
13bb44976
147879428
15506dd67
hex36a62dc

57303772 has 24 divisors (see below), whose sum is σ = 105840000. Its totient is φ = 27071856.

The previous prime is 57303767. The next prime is 57303793. The reversal of 57303772 is 27730375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37479 + ... + 38977.

It is an arithmetic number, because the mean of its divisors is an integer number (4410000).

Almost surely, 257303772 is an apocalyptic number.

It is an amenable number.

57303772 is a deficient number, since it is larger than the sum of its proper divisors (48536228).

57303772 is a wasteful number, since it uses less digits than its factorization.

57303772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 57303772 is about 7569.9254950098. The cubic root of 57303772 is about 385.5325670635.

The spelling of 57303772 in words is "fifty-seven million, three hundred three thousand, seven hundred seventy-two".

Divisors: 1 2 4 19 38 76 503 1006 1499 2012 2998 5996 9557 19114 28481 38228 56962 113924 753997 1507994 3015988 14325943 28651886 57303772