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115413505 = 5192431487
BaseRepresentation
bin1101110000100…
…01001000000001
322001011121120021
412320101020001
5214021213010
615241413441
72600666344
oct670211001
9261147507
10115413505
115a169969
123279a281
131abac41c
141148445b
15a1eb8da
hex6e11201

115413505 has 24 divisors (see below), whose sum is σ = 149668992. Its totient is φ = 85379616.

The previous prime is 115413497. The next prime is 115413559. The reversal of 115413505 is 505314511.

It is a happy number.

It is not a de Polignac number, because 115413505 - 23 = 115413497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115413505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76872 + ... + 78358.

It is an arithmetic number, because the mean of its divisors is an integer number (6236208).

Almost surely, 2115413505 is an apocalyptic number.

It is an amenable number.

115413505 is a deficient number, since it is larger than the sum of its proper divisors (34255487).

115413505 is a wasteful number, since it uses less digits than its factorization.

115413505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 115413505 is about 10743.0677648426. The cubic root of 115413505 is about 486.8765714802.

The spelling of 115413505 in words is "one hundred fifteen million, four hundred thirteen thousand, five hundred five".

Divisors: 1 5 19 43 95 215 361 817 1487 1805 4085 7435 15523 28253 63941 77615 141265 319705 536807 1214879 2684035 6074395 23082701 115413505