Base | Representation |
---|---|
bin | 1100101011000… |
… | …1010010000001 |
3 | 10201000112212200 |
4 | 3022301102001 |
5 | 102101424240 |
6 | 5135143413 |
7 | 1213544454 |
oct | 312612201 |
9 | 121015780 |
10 | 53154945 |
11 | 28006108 |
12 | 15974b69 |
13 | b02143c |
14 | 70b949b |
15 | 49ee930 |
hex | 32b1481 |
53154945 has 24 divisors (see below), whose sum is σ = 92664000. Its totient is φ = 28186656.
The previous prime is 53154917. The next prime is 53154947. The reversal of 53154945 is 54945135.
It is not a de Polignac number, because 53154945 - 29 = 53154433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (53154947) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4756 + ... + 11354.
It is an arithmetic number, because the mean of its divisors is an integer number (3861000).
Almost surely, 253154945 is an apocalyptic number.
It is an amenable number.
53154945 is a deficient number, since it is larger than the sum of its proper divisors (39509055).
53154945 is a wasteful number, since it uses less digits than its factorization.
53154945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6789 (or 6786 counting only the distinct ones).
The product of its digits is 54000, while the sum is 36.
The square root of 53154945 is about 7290.7437892166. The cubic root of 53154945 is about 375.9942681524.
The spelling of 53154945 in words is "fifty-three million, one hundred fifty-four thousand, nine hundred forty-five".
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