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115132413 = 31119318077
BaseRepresentation
bin1101101110011…
…00011111111101
322000122022222110
412313030133331
5213433214123
615231404233
72565416004
oct667143775
9260568873
10115132413
1159a97760
1232683679
131ab114b6
141140dc3b
15a193493
hex6dcc7fd

115132413 has 16 divisors (see below), whose sum is σ = 168342336. Its totient is φ = 69411840.

The previous prime is 115132403. The next prime is 115132427. The reversal of 115132413 is 314231511.

It is not a de Polignac number, because 115132413 - 24 = 115132397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115132413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115132403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2670 + ... + 15407.

It is an arithmetic number, because the mean of its divisors is an integer number (10521396).

Almost surely, 2115132413 is an apocalyptic number.

It is an amenable number.

115132413 is a deficient number, since it is larger than the sum of its proper divisors (53209923).

115132413 is a wasteful number, since it uses less digits than its factorization.

115132413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18284.

The product of its digits is 360, while the sum is 21.

The square root of 115132413 is about 10729.9773065930. The cubic root of 115132413 is about 486.4809841355.

Adding to 115132413 its reverse (314231511), we get a palindrome (429363924).

The spelling of 115132413 in words is "one hundred fifteen million, one hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 3 11 33 193 579 2123 6369 18077 54231 198847 596541 3488861 10466583 38377471 115132413