Base | Representation |
---|---|
bin | 10010110000111… |
… | …01011110011010 |
3 | 101222012002222201 |
4 | 21120131132122 |
5 | 310244012010 |
6 | 23341440414 |
7 | 3620636626 |
oct | 1130353632 |
9 | 358162881 |
10 | 157407130 |
11 | 80941341 |
12 | 4487010a |
13 | 267c351a |
14 | 16c96186 |
15 | dc4423a |
hex | 961d79a |
157407130 has 16 divisors (see below), whose sum is σ = 283697640. Its totient is φ = 62881792.
The previous prime is 157407127. The next prime is 157407149. The reversal of 157407130 is 31704751.
It can be written as a sum of positive squares in 4 ways, for example, as 156425049 + 982081 = 12507^2 + 991^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639 + ... + 17818.
Almost surely, 2157407130 is an apocalyptic number.
157407130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157407130 is a deficient number, since it is larger than the sum of its proper divisors (126290510).
157407130 is a wasteful number, since it uses less digits than its factorization.
157407130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20273.
The product of its (nonzero) digits is 2940, while the sum is 28.
The square root of 157407130 is about 12546.1998230540. The cubic root of 157407130 is about 539.9349830272.
The spelling of 157407130 in words is "one hundred fifty-seven million, four hundred seven thousand, one hundred thirty".
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