Base | Representation |
---|---|
bin | 10010110001010… |
… | …01101111011010 |
3 | 101222021122220110 |
4 | 21120221233122 |
5 | 310302113440 |
6 | 23342505150 |
7 | 3621236250 |
oct | 1130515732 |
9 | 358248813 |
10 | 157457370 |
11 | 80976064 |
12 | 448951b6 |
13 | 26810355 |
14 | 16caa5d0 |
15 | dc54080 |
hex | 9629bda |
157457370 has 192 divisors, whose sum is σ = 477536256. Its totient is φ = 32503680.
The previous prime is 157457369. The next prime is 157457381. The reversal of 157457370 is 73754751.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2350077 + ... + 2350143.
It is an arithmetic number, because the mean of its divisors is an integer number (2487168).
Almost surely, 2157457370 is an apocalyptic number.
157457370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 157457370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238768128).
157457370 is an abundant number, since it is smaller than the sum of its proper divisors (320078886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157457370 is a wasteful number, since it uses less digits than its factorization.
157457370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153 (or 134 counting only the distinct ones).
The product of its (nonzero) digits is 102900, while the sum is 39.
The square root of 157457370 is about 12548.2018632153. The cubic root of 157457370 is about 539.9924210185.
The spelling of 157457370 in words is "one hundred fifty-seven million, four hundred fifty-seven thousand, three hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •