Base | Representation |
---|---|
bin | 1011010101011… |
… | …1110001000101 |
3 | 10022110120001020 |
4 | 2311113301011 |
5 | 44132423123 |
6 | 4415021353 |
7 | 1115062236 |
oct | 265276105 |
9 | 108416036 |
10 | 47545413 |
11 | 24924633 |
12 | 13b0a859 |
13 | 9b090a6 |
14 | 645908d |
15 | 42927e3 |
hex | 2d57c45 |
47545413 has 48 divisors (see below), whose sum is σ = 73090560. Its totient is φ = 27417600.
The previous prime is 47545387. The next prime is 47545451. The reversal of 47545413 is 31454574.
It is not a de Polignac number, because 47545413 - 29 = 47544901 is a prime.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47545483) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779403 + ... + 779463.
It is an arithmetic number, because the mean of its divisors is an integer number (1522720).
Almost surely, 247545413 is an apocalyptic number.
It is an amenable number.
47545413 is a deficient number, since it is larger than the sum of its proper divisors (25545147).
47545413 is a wasteful number, since it uses less digits than its factorization.
47545413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158 (or 141 counting only the distinct ones).
The product of its digits is 33600, while the sum is 33.
The square root of 47545413 is about 6895.3181942533. The cubic root of 47545413 is about 362.2732006606.
Adding to 47545413 its reverse (31454574), we get a palindrome (78999987).
The spelling of 47545413 in words is "forty-seven million, five hundred forty-five thousand, four hundred thirteen".
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