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115003242 = 23231434793
BaseRepresentation
bin1101101101011…
…00111101101010
322000101202210100
412312230331222
5213420100432
615224530230
72564340264
oct666547552
9260352710
10115003242
1159a09702
1232620976
131aa97773
14113b8b34
15a16a07c
hex6dacf6a

115003242 has 48 divisors (see below), whose sum is σ = 263248128. Its totient is φ = 36227520.

The previous prime is 115003177. The next prime is 115003267. The reversal of 115003242 is 242300511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21598 + ... + 26390.

It is an arithmetic number, because the mean of its divisors is an integer number (5484336).

Almost surely, 2115003242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115003242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131624064).

115003242 is an abundant number, since it is smaller than the sum of its proper divisors (148244886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115003242 is a wasteful number, since it uses less digits than its factorization.

115003242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875 (or 4872 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 115003242 is about 10723.9564527277. The cubic root of 115003242 is about 486.2989828244.

Adding to 115003242 its reverse (242300511), we get a palindrome (357303753).

The spelling of 115003242 in words is "one hundred fifteen million, three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 31 43 62 86 93 129 186 258 279 387 558 774 1333 2666 3999 4793 7998 9586 11997 14379 23994 28758 43137 86274 148583 206099 297166 412198 445749 618297 891498 1236594 1337247 1854891 2674494 3709782 6389069 12778138 19167207 38334414 57501621 115003242