Base | Representation |
---|---|
bin | 10001100011010… |
… | …00010100000000 |
3 | 101021000221201100 |
4 | 20301220110000 |
5 | 300142243104 |
6 | 22335334400 |
7 | 3435262605 |
oct | 1061502400 |
9 | 337027640 |
10 | 147227904 |
11 | 7611955a |
12 | 41381400 |
13 | 2466b205 |
14 | 157a66ac |
15 | cdd3139 |
hex | 8c68500 |
147227904 has 54 divisors (see below), whose sum is σ = 424500986. Its totient is φ = 49075200.
The previous prime is 147227893. The next prime is 147227917. The reversal of 147227904 is 409722741.
It can be written as a sum of positive squares in only one way, i.e., 145154304 + 2073600 = 12048^2 + 1440^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29647 + ... + 34254.
Almost surely, 2147227904 is an apocalyptic number.
It is an amenable number.
147227904 is an abundant number, since it is smaller than the sum of its proper divisors (277273082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147227904 is an equidigital number, since it uses as much as digits as its factorization.
147227904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63923 (or 63906 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 147227904 is about 12133.7506155352. The cubic root of 147227904 is about 528.0358102434.
The spelling of 147227904 in words is "one hundred forty-seven million, two hundred twenty-seven thousand, nine hundred four".
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