| Base | Representation |
|---|---|
| bin | 10010101110110… |
| … | …00001110101100 |
| 3 | 101221122200220220 |
| 4 | 21113120032230 |
| 5 | 310210423000 |
| 6 | 23331411340 |
| 7 | 3615346002 |
| oct | 1127301654 |
| 9 | 357580826 |
| 10 | 157123500 |
| 11 | 80768236 |
| 12 | 44753b50 |
| 13 | 267243b1 |
| 14 | 16c20a72 |
| 15 | dbda1a0 |
| hex | 95d83ac |
157123500 has 144 divisors (see below), whose sum is σ = 477116640. Its totient is φ = 40176000.
The previous prime is 157123493. The next prime is 157123507. The reversal of 157123500 is 5321751.
157123500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (157123493) and next prime (157123507).
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157123507) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1441446 + ... + 1441554.
It is an arithmetic number, because the mean of its divisors is an integer number (3313310).
Almost surely, 2157123500 is an apocalyptic number.
157123500 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 157123500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238558320).
157123500 is an abundant number, since it is smaller than the sum of its proper divisors (319993140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157123500 is a wasteful number, since it uses less digits than its factorization.
157123500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193 (or 150 counting only the distinct ones).
The product of its (nonzero) digits is 1050, while the sum is 24.
The square root of 157123500 is about 12534.8913038766. The cubic root of 157123500 is about 539.6104872799.
The spelling of 157123500 in words is "one hundred fifty-seven million, one hundred twenty-three thousand, five hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •