Search a number
-
+
60381009 = 3213516077
BaseRepresentation
bin1110011001010…
…1011101010001
311012121200011200
43212111131101
5110424143014
65554101413
71332141633
oct346253521
9135550150
1060381009
11310a1167
121827a869
13c681510
14803aa53
15547aa09
hex3995751

60381009 has 12 divisors (see below), whose sum is σ = 93926196. Its totient is φ = 37157472.

The previous prime is 60380989. The next prime is 60381017. The reversal of 60381009 is 90018306.

It can be written as a sum of positive squares in 2 ways, for example, as 17766225 + 42614784 = 4215^2 + 6528^2 .

It is not a de Polignac number, because 60381009 - 25 = 60380977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60381019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257922 + ... + 258155.

It is an arithmetic number, because the mean of its divisors is an integer number (7827183).

Almost surely, 260381009 is an apocalyptic number.

It is an amenable number.

60381009 is a deficient number, since it is larger than the sum of its proper divisors (33545187).

60381009 is a wasteful number, since it uses less digits than its factorization.

60381009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516096 (or 516093 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 60381009 is about 7770.5217971511. The cubic root of 60381009 is about 392.3136827849.

The spelling of 60381009 in words is "sixty million, three hundred eighty-one thousand, nine".

Divisors: 1 3 9 13 39 117 516077 1548231 4644693 6709001 20127003 60381009