Base | Representation |
---|---|
bin | 10010110001011… |
… | …11011100100100 |
3 | 101222022211222000 |
4 | 21120233130210 |
5 | 310303340430 |
6 | 23343205300 |
7 | 3621364344 |
oct | 1130573444 |
9 | 358284860 |
10 | 157480740 |
11 | 8099167a |
12 | 448a6830 |
13 | 2681ab91 |
14 | 16cb4d24 |
15 | dc5ae60 |
hex | 962f724 |
157480740 has 96 divisors (see below), whose sum is σ = 515760000. Its totient is φ = 39782016.
The previous prime is 157480723. The next prime is 157480751. The reversal of 157480740 is 47084751.
157480740 is a `hidden beast` number, since 1 + 574 + 80 + 7 + 4 + 0 = 666.
157480740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 157480695 and 157480704.
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, 2586 + ... + 17934.
It is an arithmetic number, because the mean of its divisors is an integer number (5372500).
Almost surely, 2157480740 is an apocalyptic number.
157480740 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 157480740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257880000).
157480740 is an abundant number, since it is smaller than the sum of its proper divisors (358279260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157480740 is a wasteful number, since it uses less digits than its factorization.
157480740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15386 (or 15378 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The square root of 157480740 is about 12549.1330377839. The cubic root of 157480740 is about 540.0191351244.
The spelling of 157480740 in words is "one hundred fifty-seven million, four hundred eighty thousand, seven hundred forty".
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