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115662085 = 5711231881
BaseRepresentation
bin1101110010011…
…01110100000101
322001122020112221
412321031310011
5214102141320
615251012341
72603053150
oct671156405
9261566487
10115662085
115a319700
123289a0b1
131ac68606
141150ac97
15a24a3aa
hex6e4dd05

115662085 has 48 divisors (see below), whose sum is σ = 180182016. Its totient is φ = 69696000.

The previous prime is 115662073. The next prime is 115662089. The reversal of 115662085 is 580266511.

It is a happy number.

It is not a de Polignac number, because 115662085 - 29 = 115661573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115662085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115662089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130845 + ... + 131725.

It is an arithmetic number, because the mean of its divisors is an integer number (3753792).

Almost surely, 2115662085 is an apocalyptic number.

It is an amenable number.

115662085 is a deficient number, since it is larger than the sum of its proper divisors (64519931).

115662085 is a wasteful number, since it uses less digits than its factorization.

115662085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 115662085 is about 10754.6308630283. The cubic root of 115662085 is about 487.2258691100.

The spelling of 115662085 in words is "one hundred fifteen million, six hundred sixty-two thousand, eighty-five".

Divisors: 1 5 7 11 31 35 55 77 121 155 217 341 385 605 847 881 1085 1705 2387 3751 4235 4405 6167 9691 11935 18755 26257 27311 30835 48455 67837 106601 131285 136555 191177 300421 339185 533005 746207 955885 1502105 2102947 3304631 3731035 10514735 16523155 23132417 115662085