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116538620 = 225114011321
BaseRepresentation
bin1101111001000…
…11110011111100
322010021202221012
412330203303330
5214313213440
615321454352
72613363512
oct674436374
9263252835
10116538620
115a868210
12330413b8
131b1b4583
14116984b2
15a36ee65
hex6f23cfc

116538620 has 48 divisors (see below), whose sum is σ = 267847776. Its totient is φ = 42240000.

The previous prime is 116538607. The next prime is 116538649. The reversal of 116538620 is 26835611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87560 + ... + 88880.

It is an arithmetic number, because the mean of its divisors is an integer number (5580162).

Almost surely, 2116538620 is an apocalyptic number.

116538620 is a gapful number since it is divisible by the number (10) 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 116538620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133923888).

116538620 is an abundant number, since it is smaller than the sum of its proper divisors (151309156).

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

116538620 is a wasteful number, since it uses less digits than its factorization.

116538620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 116538620 is about 10795.3054611715. The cubic root of 116538620 is about 488.4535725175.

The spelling of 116538620 in words is "one hundred sixteen million, five hundred thirty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 401 802 1321 1604 2005 2642 4010 4411 5284 6605 8020 8822 13210 14531 17644 22055 26420 29062 44110 58124 72655 88220 145310 290620 529721 1059442 2118884 2648605 5297210 5826931 10594420 11653862 23307724 29134655 58269310 116538620