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115048075 = 5229891783
BaseRepresentation
bin1101101101101…
…11111010001011
322000111001021211
412312313322023
5213423014300
615225513551
72564615062
oct666677213
9260431254
10115048075
1159a3a35a
12326428b7
131aab1cac
14113cb1d9
15a1784ba
hex6db7e8b

115048075 has 24 divisors (see below), whose sum is σ = 149320800. Its totient is φ = 87816960.

The previous prime is 115048051. The next prime is 115048081. The reversal of 115048075 is 570840511.

It is not a de Polignac number, because 115048075 - 29 = 115047563 is a prime.

It is a super-2 number, since 2×1150480752 = 26472119122411250, which contains 22 as substring.

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, 63634 + ... + 65416.

It is an arithmetic number, because the mean of its divisors is an integer number (6221700).

Almost surely, 2115048075 is an apocalyptic number.

115048075 is a deficient number, since it is larger than the sum of its proper divisors (34272725).

115048075 is a wasteful number, since it uses less digits than its factorization.

115048075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 115048075 is about 10726.0465689834. The cubic root of 115048075 is about 486.3621677381.

Adding to 115048075 its reverse (570840511), we get a palindrome (685888586).

The spelling of 115048075 in words is "one hundred fifteen million, forty-eight thousand, seventy-five".

Divisors: 1 5 25 29 89 145 445 725 1783 2225 2581 8915 12905 44575 51707 64525 158687 258535 793435 1292675 3967175 4601923 23009615 115048075