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115420135 = 528381569
BaseRepresentation
bin1101110000100…
…10101111100111
322001011221122211
412320102233213
5214021421020
615241504251
72601024565
oct670225747
9261157584
10115420135
115a173946
12327a2087
131abb244c
1411486a35
15a1ed85a
hex6e12be7

115420135 has 8 divisors (see below), whose sum is σ = 138995280. Its totient is φ = 92008704.

The previous prime is 115420111. The next prime is 115420147. The reversal of 115420135 is 531024511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115420135 - 25 = 115420103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39370 + ... + 42199.

It is an arithmetic number, because the mean of its divisors is an integer number (17374410).

Almost surely, 2115420135 is an apocalyptic number.

115420135 is a deficient number, since it is larger than the sum of its proper divisors (23575145).

115420135 is an equidigital number, since it uses as much as digits as its factorization.

115420135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81857.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 115420135 is about 10743.3763314891. The cubic root of 115420135 is about 486.8858942766.

Adding to 115420135 its reverse (531024511), we get a palindrome (646444646).

The spelling of 115420135 in words is "one hundred fifteen million, four hundred twenty thousand, one hundred thirty-five".

Divisors: 1 5 283 1415 81569 407845 23084027 115420135