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119980 = 2257857
BaseRepresentation
bin11101010010101100
320002120201
4131102230
512314410
62323244
71006540
oct352254
9202521
10119980
1182163
1259524
13427c3
1431a20
152583a
hex1d4ac

119980 has 24 divisors (see below), whose sum is σ = 288288. Its totient is φ = 41088.

The previous prime is 119971. The next prime is 119981. The reversal of 119980 is 89911.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (119981) 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, 289 + ... + 568.

It is an arithmetic number, because the mean of its divisors is an integer number (12012).

2119980 is an apocalyptic number.

119980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

119980 is an abundant number, since it is smaller than the sum of its proper divisors (168308).

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

119980 is a wasteful number, since it uses less digits than its factorization.

119980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 119980 is about 346.3812927974. The cubic root of 119980 is about 49.3215010987.

The spelling of 119980 in words is "one hundred nineteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 857 1714 3428 4285 5999 8570 11998 17140 23996 29995 59990 119980