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115103072 = 2574183151
BaseRepresentation
bin1101101110001…
…01010101100000
322000120211201202
412313011111200
5213431244242
615231020332
72565234320
oct667052540
9260524652
10115103072
1159a77707
123266a6a8
131ab01036
1411403280
15a189932
hex6dc5560

115103072 has 96 divisors (see below), whose sum is σ = 270273024. Its totient is φ = 47232000.

The previous prime is 115103057. The next prime is 115103081. The reversal of 115103072 is 270301511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762197 + ... + 762347.

It is an arithmetic number, because the mean of its divisors is an integer number (2815344).

Almost surely, 2115103072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115103072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135136512).

115103072 is an abundant number, since it is smaller than the sum of its proper divisors (155169952).

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

115103072 is a wasteful number, since it uses less digits than its factorization.

115103072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 115103072 is about 10728.6099752018. The cubic root of 115103072 is about 486.4396547627.

Adding to 115103072 its reverse (270301511), we get a palindrome (385404583).

The spelling of 115103072 in words is "one hundred fifteen million, one hundred three thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 41 56 82 83 112 151 164 166 224 287 302 328 332 574 581 604 656 664 1057 1148 1162 1208 1312 1328 2114 2296 2324 2416 2656 3403 4228 4592 4648 4832 6191 6806 8456 9184 9296 12382 12533 13612 16912 18592 23821 24764 25066 27224 33824 43337 47642 49528 50132 54448 86674 87731 95284 99056 100264 108896 173348 175462 190568 198112 200528 346696 350924 381136 401056 513853 693392 701848 762272 1027706 1386784 1403696 2055412 2807392 3596971 4110824 7193942 8221648 14387884 16443296 28775768 57551536 115103072