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116487840 = 2535737937
BaseRepresentation
bin1101111000101…
…11011010100000
322010012012021110
412330113122200
5214310102330
615320423320
72613062460
oct674273240
9263165243
10116487840
115a833047
1233017b40
131b197421
1411683ba0
15a35edb0
hex6f176a0

116487840 has 192 divisors, whose sum is σ = 431149824. Its totient is φ = 25878528.

The previous prime is 116487827. The next prime is 116487851. The reversal of 116487840 is 48784611.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123852 + ... + 124788.

It is an arithmetic number, because the mean of its divisors is an integer number (2245572).

Almost surely, 2116487840 is an apocalyptic number.

116487840 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 116487840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215574912).

116487840 is an abundant number, since it is smaller than the sum of its proper divisors (314661984).

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

116487840 is a wasteful number, since it uses less digits than its factorization.

116487840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 116487840 is about 10792.9532566393. The cubic root of 116487840 is about 488.3826167094.

The spelling of 116487840 in words is "one hundred sixteen million, four hundred eighty-seven thousand, eight hundred forty".