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115712001 = 3229443341
BaseRepresentation
bin1101110010110…
…10000000000001
322001201210000200
412321122000001
5214110241001
615252035413
72603351526
oct671320001
9261653020
10115712001
115a353159
1232902b69
131ac85252
141152114d
15a25a086
hex6e5a001

115712001 has 12 divisors (see below), whose sum is σ = 172903380. Its totient is φ = 74481120.

The previous prime is 115711961. The next prime is 115712017. The reversal of 115712001 is 100217511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82083600 + 33628401 = 9060^2 + 5799^2 .

It is not a de Polignac number, because 115712001 - 29 = 115711489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115712101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221410 + ... + 221931.

It is an arithmetic number, because the mean of its divisors is an integer number (14408615).

Almost surely, 2115712001 is an apocalyptic number.

It is an amenable number.

115712001 is a deficient number, since it is larger than the sum of its proper divisors (57191379).

115712001 is a wasteful number, since it uses less digits than its factorization.

115712001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443376 (or 443373 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 115712001 is about 10756.9512874234. The cubic root of 115712001 is about 487.2959493173.

Adding to 115712001 its reverse (100217511), we get a palindrome (215929512).

The spelling of 115712001 in words is "one hundred fifteen million, seven hundred twelve thousand, one".

Divisors: 1 3 9 29 87 261 443341 1330023 3990069 12856889 38570667 115712001