Base | Representation |
---|---|
bin | 1011011010011… |
… | …1100110010100 |
3 | 10100002011121000 |
4 | 2312213212110 |
5 | 44223404104 |
6 | 4430023300 |
7 | 1120623456 |
oct | 266474624 |
9 | 110064530 |
10 | 47872404 |
11 | 25028278 |
12 | 14047b30 |
13 | 9bc1b88 |
14 | 65022d6 |
15 | 4309639 |
hex | 2da7994 |
47872404 has 24 divisors (see below), whose sum is σ = 124113920. Its totient is φ = 15957432.
The previous prime is 47872403. The next prime is 47872427. The reversal of 47872404 is 40427874.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47872403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221524 + ... + 221739.
Almost surely, 247872404 is an apocalyptic number.
It is an amenable number.
47872404 is an abundant number, since it is smaller than the sum of its proper divisors (76241516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47872404 is a wasteful number, since it uses less digits than its factorization.
47872404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443276 (or 443268 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 36.
The square root of 47872404 is about 6918.9886544205. The cubic root of 47872404 is about 363.1018087497.
The spelling of 47872404 in words is "forty-seven million, eight hundred seventy-two thousand, four hundred four".
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