Base | Representation |
---|---|
bin | 1011001101111… |
… | …1001011100101 |
3 | 10021112110111220 |
4 | 2303133023211 |
5 | 44021121433 |
6 | 4400250553 |
7 | 1110634236 |
oct | 263371345 |
9 | 107473456 |
10 | 47051493 |
11 | 24617535 |
12 | 13910a59 |
13 | 9995328 |
14 | 636b08d |
15 | 41e62b3 |
hex | 2cdf2e5 |
47051493 has 16 divisors (see below), whose sum is σ = 63999936. Its totient is φ = 30741120.
The previous prime is 47051479. The next prime is 47051507. The reversal of 47051493 is 39415074.
It is an interprime number because it is at equal distance from previous prime (47051479) and next prime (47051507).
It is not a de Polignac number, because 47051493 - 28 = 47051237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47051413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39046 + ... + 40232.
It is an arithmetic number, because the mean of its divisors is an integer number (3999996).
Almost surely, 247051493 is an apocalyptic number.
It is an amenable number.
47051493 is a deficient number, since it is larger than the sum of its proper divisors (16948443).
47051493 is a wasteful number, since it uses less digits than its factorization.
47051493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1444.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 47051493 is about 6859.4090853367. The cubic root of 47051493 is about 361.0143537288.
The spelling of 47051493 in words is "forty-seven million, fifty-one thousand, four hundred ninety-three".
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