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116438180 = 2255821909
BaseRepresentation
bin1101111000010…
…11010010100100
322010002200011012
412330023102210
5214302010210
615315401352
72612464625
oct674132244
9263080135
10116438180
115a7a9801
1232bb3258
131b17a941
141166da4c
15a350305
hex6f0b4a4

116438180 has 12 divisors (see below), whose sum is σ = 244520220. Its totient is φ = 46575264.

The previous prime is 116438177. The next prime is 116438183. The reversal of 116438180 is 81834611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (116438177) and next prime (116438183).

It can be written as a sum of positive squares in 2 ways, for example, as 61559716 + 54878464 = 7846^2 + 7408^2 .

It is not an unprimeable number, because it can be changed into a prime (116438183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910935 + ... + 2910974.

It is an arithmetic number, because the mean of its divisors is an integer number (20376685).

Almost surely, 2116438180 is an apocalyptic number.

116438180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116438180 is an abundant number, since it is smaller than the sum of its proper divisors (128082040).

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

116438180 is a wasteful number, since it uses less digits than its factorization.

116438180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821918 (or 5821916 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 116438180 is about 10790.6524362524. The cubic root of 116438180 is about 488.3132059508.

The spelling of 116438180 in words is "one hundred sixteen million, four hundred thirty-eight thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 5821909 11643818 23287636 29109545 58219090 116438180