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115742313 = 32313371231
BaseRepresentation
bin1101110011000…
…01011001101001
322001210022121100
412321201121221
5214112223223
615252432013
72603536101
oct671413151
9261708540
10115742313
115a373a05
1232918609
131ac95c9b
141152c201
15a264043
hex6e61669

115742313 has 24 divisors (see below), whose sum is σ = 173229056. Its totient is φ = 74390400.

The previous prime is 115742309. The next prime is 115742317. The reversal of 115742313 is 313247511.

It is an interprime number because it is at equal distance from previous prime (115742309) and next prime (115742317).

It is not a de Polignac number, because 115742313 - 22 = 115742309 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115742317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93408 + ... + 94638.

Almost surely, 2115742313 is an apocalyptic number.

It is an amenable number.

115742313 is a deficient number, since it is larger than the sum of its proper divisors (57486743).

115742313 is a wasteful number, since it uses less digits than its factorization.

115742313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1602 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 115742313 is about 10758.3601445573. The cubic root of 115742313 is about 487.3384964029.

Adding to 115742313 its reverse (313247511), we get a palindrome (428989824).

The spelling of 115742313 in words is "one hundred fifteen million, seven hundred forty-two thousand, three hundred thirteen".

Divisors: 1 3 9 31 93 279 337 1011 1231 3033 3693 10447 11079 31341 38161 94023 114483 343449 414847 1244541 3733623 12860257 38580771 115742313