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115020042 = 2319170007
BaseRepresentation
bin1101101101100…
…01000100001010
322000102121211120
412312301010022
5213421120132
615225140110
72564440254
oct666610412
9260377746
10115020042
1159a20295
123262a636
131aaa22c7
14113c0cd4
15a17002c
hex6db110a

115020042 has 8 divisors (see below), whose sum is σ = 230040096. Its totient is φ = 38340012.

The previous prime is 115020029. The next prime is 115020049. The reversal of 115020042 is 240020511.

It is a sphenic number, since it is the product of 3 distinct primes.

115020042 is an admirable number.

It is a super-2 number, since 2×1150200422 = 26459220123363528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115020049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9584998 + ... + 9585009.

It is an arithmetic number, because the mean of its divisors is an integer number (28755012).

Almost surely, 2115020042 is an apocalyptic number.

115020042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115020042 is a wasteful number, since it uses less digits than its factorization.

115020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19170012.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 115020042 is about 10724.7397171213. The cubic root of 115020042 is about 486.3226616500.

Adding to 115020042 its reverse (240020511), we get a palindrome (355040553).

The spelling of 115020042 in words is "one hundred fifteen million, twenty thousand, forty-two".

Divisors: 1 2 3 6 19170007 38340014 57510021 115020042