Base | Representation |
---|---|
bin | 1100101000101… |
… | …1110010111101 |
3 | 10200201202021000 |
4 | 3022023302331 |
5 | 102032021110 |
6 | 5132000513 |
7 | 1212335022 |
oct | 312136275 |
9 | 120652230 |
10 | 53001405 |
11 | 27a10816 |
12 | 15900139 |
13 | ac995a2 |
14 | 7079549 |
15 | 49be1c0 |
hex | 328bcbd |
53001405 has 32 divisors (see below), whose sum is σ = 94550400. Its totient is φ = 28169856.
The previous prime is 53001391. The next prime is 53001409. The reversal of 53001405 is 50410035.
It is not a de Polignac number, because 53001405 - 26 = 53001341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53001409) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56097 + ... + 57033.
It is an arithmetic number, because the mean of its divisors is an integer number (2954700).
Almost surely, 253001405 is an apocalyptic number.
It is an amenable number.
53001405 is a deficient number, since it is larger than the sum of its proper divisors (41548995).
53001405 is a wasteful number, since it uses less digits than its factorization.
53001405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1370 (or 1364 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 53001405 is about 7280.2063844372. The cubic root of 53001405 is about 375.6318946264.
The spelling of 53001405 in words is "fifty-three million, one thousand, four hundred five".
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