[go: up one dir, main page]

Search a number
-
+
54751980 = 2235912533
BaseRepresentation
bin1101000011011…
…1001011101100
310211000200121010
43100313023230
5103004030410
65233305220
71233245523
oct320671354
9124020533
1054751980
11289a6a78
1216405210
13b46032a
1473b34ba
154c17c20
hex34372ec

54751980 has 24 divisors (see below), whose sum is σ = 153305712. Its totient is φ = 14600512.

The previous prime is 54751979. The next prime is 54751993. The reversal of 54751980 is 8915745.

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, 456207 + ... + 456326.

It is an arithmetic number, because the mean of its divisors is an integer number (6387738).

Almost surely, 254751980 is an apocalyptic number.

It is an amenable number.

54751980 is an abundant number, since it is smaller than the sum of its proper divisors (98553732).

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

54751980 is a wasteful number, since it uses less digits than its factorization.

54751980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912545 (or 912543 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 54751980 is about 7399.4580882657. The cubic root of 54751980 is about 379.7227432780.

The spelling of 54751980 in words is "fifty-four million, seven hundred fifty-one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 912533 1825066 2737599 3650132 4562665 5475198 9125330 10950396 13687995 18250660 27375990 54751980