Base | Representation |
---|---|
bin | 10010101111101… |
… | …00111110100010 |
3 | 101221212200110000 |
4 | 21113310332202 |
5 | 310223210000 |
6 | 23334120430 |
7 | 3616346205 |
oct | 1127647642 |
9 | 357780400 |
10 | 157241250 |
11 | 80838751 |
12 | 447b0116 |
13 | 26765b7a |
14 | 16c5193c |
15 | dc10000 |
hex | 95f4fa2 |
157241250 has 100 divisors (see below), whose sum is σ = 440563662. Its totient is φ = 41904000.
The previous prime is 157241237. The next prime is 157241251. The reversal of 157241250 is 52142751.
157241250 is a `hidden beast` number, since 1 + 572 + 41 + 2 + 50 = 666.
It can be written as a sum of positive squares in 5 ways, for example, as 2313441 + 154927809 = 1521^2 + 12447^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nialpdrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (157241251) by changing a digit.
It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 100474 + ... + 102026.
Almost surely, 2157241250 is an apocalyptic number.
157241250 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 157241250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220281831).
157241250 is an abundant number, since it is smaller than the sum of its proper divisors (283322412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157241250 is an equidigital number, since it uses as much as digits as its factorization.
157241250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1587 (or 1563 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 157241250 is about 12539.5873137835. The cubic root of 157241250 is about 539.7452502088.
The spelling of 157241250 in words is "one hundred fifty-seven million, two hundred forty-one thousand, two hundred fifty".
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