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5138907 = 31712969
BaseRepresentation
bin10011100110100111011011
3100200002020220
4103212213123
52303421112
6302051123
761452144
oct23464733
910602226
105138907
11299aa34
121879aa3
1310ac097
1497aacb
156b798c
hex4e69db

5138907 has 4 divisors (see below), whose sum is σ = 6851880. Its totient is φ = 3425936.

The previous prime is 5138891. The next prime is 5138923. The reversal of 5138907 is 7098315.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5138891) and next prime (5138923).

It is a cyclic number.

It is not a de Polignac number, because 5138907 - 24 = 5138891 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5138957) 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, 856482 + ... + 856487.

It is an arithmetic number, because the mean of its divisors is an integer number (1712970).

Almost surely, 25138907 is an apocalyptic number.

5138907 is a deficient number, since it is larger than the sum of its proper divisors (1712973).

5138907 is a wasteful number, since it uses less digits than its factorization.

5138907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712972.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 5138907 is about 2266.9157461185. The cubic root of 5138907 is about 172.5666703012.

The spelling of 5138907 in words is "five million, one hundred thirty-eight thousand, nine hundred seven".

Divisors: 1 3 1712969 5138907