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115242372 = 223371971113
BaseRepresentation
bin1101101111001…
…11010110000100
322000211220211000
412313213112010
5214000223442
615234013300
72566354410
oct667472604
9260756730
10115242372
115a062333
1232717230
131ab4c56b
141143bd40
15a1b5d4c
hex6de7584

115242372 has 192 divisors, whose sum is σ = 367718400. Its totient is φ = 30481920.

The previous prime is 115242343. The next prime is 115242373. The reversal of 115242372 is 273242511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115242373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1019788 + ... + 1019900.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2115242372 is an apocalyptic number.

115242372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115242372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183859200).

115242372 is an abundant number, since it is smaller than the sum of its proper divisors (252476028).

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

115242372 is a wasteful number, since it uses less digits than its factorization.

115242372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 215 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 115242372 is about 10735.0999995342. The cubic root of 115242372 is about 486.6358085978.

Adding to 115242372 its reverse (273242511), we get a palindrome (388484883).

The spelling of 115242372 in words is "one hundred fifteen million, two hundred forty-two thousand, three hundred seventy-two".