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120340115 = 5713725097
BaseRepresentation
bin1110010110000…
…11111010010011
322101102220121022
413023003322103
5221301340430
615535150055
72660605550
oct713037223
9271386538
10120340115
1161a24345
123437532b
131bc1598c
1411da7a27
15a8714e5
hex72c3e93

120340115 has 16 divisors (see below), whose sum is σ = 166249152. Its totient is φ = 81913344.

The previous prime is 120340067. The next prime is 120340139. The reversal of 120340115 is 511043021.

It is a cyclic number.

It is not a de Polignac number, because 120340115 - 28 = 120339859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120340093 and 120340102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7754 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (10390572).

Almost surely, 2120340115 is an apocalyptic number.

120340115 is a deficient number, since it is larger than the sum of its proper divisors (45909037).

120340115 is a wasteful number, since it uses less digits than its factorization.

120340115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25246.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 120340115 is about 10969.9642205433. The cubic root of 120340115 is about 493.7079729223.

Adding to 120340115 its reverse (511043021), we get a palindrome (631383136).

The spelling of 120340115 in words is "one hundred twenty million, three hundred forty thousand, one hundred fifteen".

Divisors: 1 5 7 35 137 685 959 4795 25097 125485 175679 878395 3438289 17191445 24068023 120340115