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115103216 = 2419378629
BaseRepresentation
bin1101101110001…
…01010111110000
322000120211221002
412313011113300
5213431300331
615231021132
72565234614
oct667052760
9260524832
10115103216
1159a77828
123266a7a8
131ab01117
1411403344
15a1899cb
hex6dc55f0

115103216 has 20 divisors (see below), whose sum is σ = 234750600. Its totient is φ = 54522432.

The previous prime is 115103179. The next prime is 115103231. The reversal of 115103216 is 612301511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189011 + ... + 189618.

It is an arithmetic number, because the mean of its divisors is an integer number (11737530).

Almost surely, 2115103216 is an apocalyptic number.

115103216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115103216 is an abundant number, since it is smaller than the sum of its proper divisors (119647384).

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

115103216 is a wasteful number, since it uses less digits than its factorization.

115103216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378656 (or 378650 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115103216 is about 10728.6166862275. The cubic root of 115103216 is about 486.4398576165.

Adding to 115103216 its reverse (612301511), we get a palindrome (727404727).

The spelling of 115103216 in words is "one hundred fifteen million, one hundred three thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 304 378629 757258 1514516 3029032 6058064 7193951 14387902 28775804 57551608 115103216