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115242842 = 21113402947
BaseRepresentation
bin1101101111001…
…11011101011010
322000211221110102
412313213131122
5214000232332
615234015402
72566355651
oct667473532
9260757412
10115242842
115a062720
1232717562
131ab4c840
141143c198
15a1b6062
hex6de775a

115242842 has 16 divisors (see below), whose sum is σ = 203085792. Its totient is φ = 48353520.

The previous prime is 115242821. The next prime is 115242863. The reversal of 115242842 is 248242511.

It is an interprime number because it is at equal distance from previous prime (115242821) and next prime (115242863).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201188 + ... + 201759.

It is an arithmetic number, because the mean of its divisors is an integer number (12692862).

Almost surely, 2115242842 is an apocalyptic number.

115242842 is a deficient number, since it is larger than the sum of its proper divisors (87842950).

115242842 is a wasteful number, since it uses less digits than its factorization.

115242842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402973.

The product of its digits is 5120, while the sum is 29.

The square root of 115242842 is about 10735.1218903187. The cubic root of 115242842 is about 486.6364701558.

The spelling of 115242842 in words is "one hundred fifteen million, two hundred forty-two thousand, eight hundred forty-two".

Divisors: 1 2 11 13 22 26 143 286 402947 805894 4432417 5238311 8864834 10476622 57621421 115242842