Base | Representation |
---|---|
bin | 10010101110111… |
… | …11100111010010 |
3 | 101221201020102010 |
4 | 21113133213102 |
5 | 310212404441 |
6 | 23332203350 |
7 | 3615533121 |
oct | 1127374722 |
9 | 357636363 |
10 | 157153746 |
11 | 80788a32 |
12 | 44769556 |
13 | 267350a9 |
14 | 16c2bab8 |
15 | dbe4116 |
hex | 95df9d2 |
157153746 has 32 divisors (see below), whose sum is σ = 334041408. Its totient is φ = 49118720.
The previous prime is 157153741. The next prime is 157153747. The reversal of 157153746 is 647351751.
It is not an unprimeable number, because it can be changed into a prime (157153741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25921 + ... + 31403.
It is an arithmetic number, because the mean of its divisors is an integer number (10438794).
Almost surely, 2157153746 is an apocalyptic number.
157153746 is an abundant number, since it is smaller than the sum of its proper divisors (176887662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157153746 is a wasteful number, since it uses less digits than its factorization.
157153746 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5786.
The product of its digits is 88200, while the sum is 39.
The square root of 157153746 is about 12536.0977181897. The cubic root of 157153746 is about 539.6451097513.
The spelling of 157153746 in words is "one hundred fifty-seven million, one hundred fifty-three thousand, seven hundred forty-six".
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