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115622142 = 2319270357
BaseRepresentation
bin1101110010001…
…00000011111110
322001120012202120
412321010003332
5214044402032
615250103410
72602525536
oct671040376
9261505676
10115622142
115a2a1699
123287ab66
131ac5338c
14114da4c6
15a23d62c
hex6e440fe

115622142 has 8 divisors (see below), whose sum is σ = 231244296. Its totient is φ = 38540712.

The previous prime is 115622137. The next prime is 115622149. The reversal of 115622142 is 241226511.

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

115622142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115622149) 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, 9635173 + ... + 9635184.

It is an arithmetic number, because the mean of its divisors is an integer number (28905537).

Almost surely, 2115622142 is an apocalyptic number.

115622142 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.

115622142 is a wasteful number, since it uses less digits than its factorization.

115622142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270362.

The product of its digits is 960, while the sum is 24.

The square root of 115622142 is about 10752.7736886814. The cubic root of 115622142 is about 487.1697760997.

Adding to 115622142 its reverse (241226511), we get a palindrome (356848653).

The spelling of 115622142 in words is "one hundred fifteen million, six hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 19270357 38540714 57811071 115622142