Base | Representation |
---|---|
bin | 10001100011001… |
… | …01001100110101 |
3 | 101021000022020020 |
4 | 20301211030311 |
5 | 300141341112 |
6 | 22335155353 |
7 | 3435210465 |
oct | 1061451465 |
9 | 337008206 |
10 | 147215157 |
11 | 7610aa21 |
12 | 41375b59 |
13 | 2466547b |
14 | 157a1ba5 |
15 | cdce48c |
hex | 8c65335 |
147215157 has 32 divisors (see below), whose sum is σ = 210124800. Its totient is φ = 91483392.
The previous prime is 147215141. The next prime is 147215177. The reversal of 147215157 is 751512741.
It is not a de Polignac number, because 147215157 - 24 = 147215141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147215137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615844 + ... + 616082.
It is an arithmetic number, because the mean of its divisors is an integer number (6566400).
Almost surely, 2147215157 is an apocalyptic number.
It is an amenable number.
147215157 is a deficient number, since it is larger than the sum of its proper divisors (62909643).
147215157 is a wasteful number, since it uses less digits than its factorization.
147215157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457.
The product of its digits is 9800, while the sum is 33.
The square root of 147215157 is about 12133.2253337684. The cubic root of 147215157 is about 528.0205706804.
Adding to 147215157 its reverse (751512741), we get a palindrome (898727898).
The spelling of 147215157 in words is "one hundred forty-seven million, two hundred fifteen thousand, one hundred fifty-seven".
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