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115502142 = 23724111411
BaseRepresentation
bin1101110001001…
…10110000111110
322001100010011010
412320212300332
5214032032032
615243340050
72601515640
oct670466076
9261303133
10115502142
115a21a518
1232821626
131ac10882
14114a8890
15a217ccc
hex6e26c3e

115502142 has 32 divisors (see below), whose sum is σ = 265123584. Its totient is φ = 32860800.

The previous prime is 115502141. The next prime is 115502143. The reversal of 115502142 is 241205511.

It is an interprime number because it is at equal distance from previous prime (115502141) and next prime (115502143).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115502141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4417 + ... + 15827.

It is an arithmetic number, because the mean of its divisors is an integer number (8285112).

Almost surely, 2115502142 is an apocalyptic number.

115502142 is an abundant number, since it is smaller than the sum of its proper divisors (149621442).

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

115502142 is a wasteful number, since it uses less digits than its factorization.

115502142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11664.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 115502142 is about 10747.1922844992. The cubic root of 115502142 is about 487.0011791844.

Adding to 115502142 its reverse (241205511), we get a palindrome (356707653).

The spelling of 115502142 in words is "one hundred fifteen million, five hundred two thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 241 482 723 1446 1687 3374 5061 10122 11411 22822 34233 68466 79877 159754 239631 479262 2750051 5500102 8250153 16500306 19250357 38500714 57751071 115502142