Base | Representation |
---|---|
bin | 1011001101110… |
… | …0111111111010 |
3 | 10021112000020211 |
4 | 2303130333322 |
5 | 44020330204 |
6 | 4400141334 |
7 | 1110566206 |
oct | 263347772 |
9 | 107460224 |
10 | 47042554 |
11 | 24610849 |
12 | 1390784a |
13 | 9991240 |
14 | 6367b06 |
15 | 41e3804 |
hex | 2cdcffa |
47042554 has 16 divisors (see below), whose sum is σ = 76333320. Its totient is φ = 21614400.
The previous prime is 47042543. The next prime is 47042557. The reversal of 47042554 is 45524074.
It can be written as a sum of positive squares in 4 ways, for example, as 44555625 + 2486929 = 6675^2 + 1577^2 .
It is not an unprimeable number, because it can be changed into a prime (47042557) 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, 2004 + ... + 9904.
Almost surely, 247042554 is an apocalyptic number.
47042554 is a deficient number, since it is larger than the sum of its proper divisors (29290766).
47042554 is a wasteful number, since it uses less digits than its factorization.
47042554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8145.
The product of its (nonzero) digits is 22400, while the sum is 31.
The square root of 47042554 is about 6858.7574676467. The cubic root of 47042554 is about 360.9914900427.
The spelling of 47042554 in words is "forty-seven million, forty-two thousand, five hundred fifty-four".
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