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120896680 = 2355235779
BaseRepresentation
bin1110011010010…
…11110010101000
322102111012001211
413031023302220
5221422143210
615555122504
72665414312
oct715136250
9272435054
10120896680
1162274513
12345a3434
131c07c0c8
14120b07b2
15a93138a
hex734bca8

120896680 has 32 divisors (see below), whose sum is σ = 272584800. Its totient is φ = 48257856.

The previous prime is 120896651. The next prime is 120896681. The reversal of 120896680 is 86698021.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (120896681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18031 + ... + 23809.

It is an arithmetic number, because the mean of its divisors is an integer number (8518275).

Almost surely, 2120896680 is an apocalyptic number.

120896680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120896680 is an abundant number, since it is smaller than the sum of its proper divisors (151688120).

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

120896680 is a wasteful number, since it uses less digits than its factorization.

120896680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313 (or 6309 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 120896680 is about 10995.3026333976. The cubic root of 120896680 is about 494.4679246893.

It can be divided in two parts, 12089 and 6680, that added together give a square (18769 = 1372).

The spelling of 120896680 in words is "one hundred twenty million, eight hundred ninety-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 523 1046 2092 2615 4184 5230 5779 10460 11558 20920 23116 28895 46232 57790 115580 231160 3022417 6044834 12089668 15112085 24179336 30224170 60448340 120896680