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115770450 = 23522233461
BaseRepresentation
bin1101110011010…
…00010001010010
322001211202012110
412321220101102
5214114123300
615253210150
72604014115
oct671502122
9261752173
10115770450
115a393064
1232930956
131aca5a33
141153857c
15a26c550
hex6e68452

115770450 has 48 divisors (see below), whose sum is σ = 288481536. Its totient is φ = 30724800.

The previous prime is 115770443. The next prime is 115770451. The reversal of 115770450 is 54077511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (115770451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31720 + ... + 35180.

It is an arithmetic number, because the mean of its divisors is an integer number (6010032).

Almost surely, 2115770450 is an apocalyptic number.

115770450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115770450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144240768).

115770450 is an abundant number, since it is smaller than the sum of its proper divisors (172711086).

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

115770450 is a wasteful number, since it uses less digits than its factorization.

115770450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699 (or 3694 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 115770450 is about 10759.6677457996. The cubic root of 115770450 is about 487.3779839274.

The spelling of 115770450 in words is "one hundred fifteen million, seven hundred seventy thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 223 446 669 1115 1338 2230 3345 3461 5575 6690 6922 10383 11150 16725 17305 20766 33450 34610 51915 86525 103830 173050 259575 519150 771803 1543606 2315409 3859015 4630818 7718030 11577045 19295075 23154090 38590150 57885225 115770450