Base | Representation |
---|---|
bin | 10001101001000… |
… | …01100110111000 |
3 | 101022110111211021 |
4 | 20310201212320 |
5 | 300341034442 |
6 | 22403512224 |
7 | 3444603415 |
oct | 1064414670 |
9 | 338414737 |
10 | 147986872 |
11 | 76597800 |
12 | 41688674 |
13 | 248757c7 |
14 | 1592310c |
15 | ced2e67 |
hex | 8d219b8 |
147986872 has 24 divisors (see below), whose sum is σ = 304995600. Its totient is φ = 67266320.
The previous prime is 147986863. The next prime is 147986873. The reversal of 147986872 is 278689741.
It is a super-2 number, since 2×1479868722 = 43800228568688768, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147986873) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75472 + ... + 77407.
It is an arithmetic number, because the mean of its divisors is an integer number (12708150).
Almost surely, 2147986872 is an apocalyptic number.
It is an amenable number.
147986872 is an abundant number, since it is smaller than the sum of its proper divisors (157008728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147986872 is a wasteful number, since it uses less digits than its factorization.
147986872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152907 (or 152892 counting only the distinct ones).
The product of its digits is 1354752, while the sum is 52.
The square root of 147986872 is about 12164.9854911545. The cubic root of 147986872 is about 528.9416068278.
The spelling of 147986872 in words is "one hundred forty-seven million, nine hundred eighty-six thousand, eight hundred seventy-two".
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