Base | Representation |
---|---|
bin | 1011010011010… |
… | …0111110010101 |
3 | 10022012022120000 |
4 | 2310310332111 |
5 | 44113343101 |
6 | 4412001513 |
7 | 1113626610 |
oct | 264647625 |
9 | 108168500 |
10 | 47402901 |
11 | 24837557 |
12 | 13a60299 |
13 | 9a89270 |
14 | 641d177 |
15 | 4265486 |
hex | 2d34f95 |
47402901 has 80 divisors (see below), whose sum is σ = 89443200. Its totient is φ = 24354432.
The previous prime is 47402897. The next prime is 47402933. The reversal of 47402901 is 10920474.
It is a happy number.
It is not a de Polignac number, because 47402901 - 22 = 47402897 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47402941) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 434835 + ... + 434943.
It is an arithmetic number, because the mean of its divisors is an integer number (1118040).
Almost surely, 247402901 is an apocalyptic number.
It is an amenable number.
47402901 is a deficient number, since it is larger than the sum of its proper divisors (42040299).
47402901 is a wasteful number, since it uses less digits than its factorization.
47402901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200 (or 191 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 47402901 is about 6884.9764705480. The cubic root of 47402901 is about 361.9108807613.
The spelling of 47402901 in words is "forty-seven million, four hundred two thousand, nine hundred one".
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