Base | Representation |
---|---|
bin | 1110010101011… |
… | …01111100011100 |
3 | 22101021100011220 |
4 | 13022231330130 |
5 | 221241001030 |
6 | 15533213340 |
7 | 2660052333 |
oct | 712557434 |
9 | 271240156 |
10 | 120250140 |
11 | 6197278a |
12 | 34331250 |
13 | 1bbb3a3a |
14 | 11d82d1a |
15 | a854a10 |
hex | 72adf1c |
120250140 has 48 divisors (see below), whose sum is σ = 339292800. Its totient is φ = 31819840.
The previous prime is 120250139. The next prime is 120250157. The reversal of 120250140 is 41052021.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211 + ... + 15509.
It is an arithmetic number, because the mean of its divisors is an integer number (7068600).
Almost surely, 2120250140 is an apocalyptic number.
120250140 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 120250140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169646400).
120250140 is an abundant number, since it is smaller than the sum of its proper divisors (219042660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120250140 is a wasteful number, since it uses less digits than its factorization.
120250140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15442 (or 15440 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 120250140 is about 10965.8624831793. The cubic root of 120250140 is about 493.5848982786.
The spelling of 120250140 in words is "one hundred twenty million, two hundred fifty thousand, one hundred forty".
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