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103392137 = 457226241
BaseRepresentation
bin1100010100110…
…10001110001001
321012112212100102
412022122032021
5202432022022
614132015145
72363550542
oct612321611
9235485312
10103392137
11533a9052
122a7614b5
13185607a4
14da354c9
159124a92
hex629a389

103392137 has 4 divisors (see below), whose sum is σ = 103618836. Its totient is φ = 103165440.

The previous prime is 103392109. The next prime is 103392139. The reversal of 103392137 is 731293301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84198976 + 19193161 = 9176^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 103392137 - 26 = 103392073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103392139) 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, 112664 + ... + 113577.

It is an arithmetic number, because the mean of its divisors is an integer number (25904709).

Almost surely, 2103392137 is an apocalyptic number.

It is an amenable number.

103392137 is a deficient number, since it is larger than the sum of its proper divisors (226699).

103392137 is an equidigital number, since it uses as much as digits as its factorization.

103392137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226698.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 103392137 is about 10168.1924155673. The cubic root of 103392137 is about 469.3489355640.

The spelling of 103392137 in words is "one hundred three million, three hundred ninety-two thousand, one hundred thirty-seven".

Divisors: 1 457 226241 103392137