Search a number
-
+
39125125 = 531324077
BaseRepresentation
bin1001010101000…
…0000010000101
32201121202120201
42111100002011
540004001000
63514330501
7653362264
oct225200205
981552521
1039125125
11200a3316
1211129a31
13814b580
1452a65db
15367c96a
hex2550085

39125125 has 16 divisors (see below), whose sum is σ = 52586352. Its totient is φ = 28891200.

The previous prime is 39125113. The next prime is 39125137. The reversal of 39125125 is 52152193.

It is an interprime number because it is at equal distance from previous prime (39125113) and next prime (39125137).

It can be written as a sum of positive squares in 8 ways, for example, as 10029889 + 29095236 = 3167^2 + 5394^2 .

It is not a de Polignac number, because 39125125 - 213 = 39116933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39125093 and 39125102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10414 + ... + 13663.

It is an arithmetic number, because the mean of its divisors is an integer number (3286647).

Almost surely, 239125125 is an apocalyptic number.

It is an amenable number.

39125125 is a deficient number, since it is larger than the sum of its proper divisors (13461227).

39125125 is a wasteful number, since it uses less digits than its factorization.

39125125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24105 (or 24095 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 39125125 is about 6255.0079936000. The cubic root of 39125125 is about 339.4834283583.

The spelling of 39125125 in words is "thirty-nine million, one hundred twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 1625 24077 120385 313001 601925 1565005 3009625 7825025 39125125