Base | Representation |
---|---|
bin | 10000010111000… |
… | …11010100011100 |
3 | 100120020211002110 |
4 | 20023203110130 |
5 | 240113332410 |
6 | 21341354020 |
7 | 3254400024 |
oct | 1013432434 |
9 | 316224073 |
10 | 137245980 |
11 | 70520a33 |
12 | 39b68910 |
13 | 22584951 |
14 | 14328a84 |
15 | c0b0720 |
hex | 82e351c |
137245980 has 48 divisors (see below), whose sum is σ = 397545120. Its totient is φ = 35336448.
The previous prime is 137245963. The next prime is 137246003. The reversal of 137245980 is 89542731.
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, 37699 + ... + 41178.
It is an arithmetic number, because the mean of its divisors is an integer number (8282190).
Almost surely, 2137245980 is an apocalyptic number.
137245980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
137245980 is an abundant number, since it is smaller than the sum of its proper divisors (260299140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137245980 is a wasteful number, since it uses less digits than its factorization.
137245980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78918 (or 78916 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 137245980 is about 11715.2029431846. The cubic root of 137245980 is about 515.8220196222.
The spelling of 137245980 in words is "one hundred thirty-seven million, two hundred forty-five thousand, nine hundred eighty".
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