Base | Representation |
---|---|
bin | 1001000001101… |
… | …11101000100111 |
3 | 12021111020122122 |
4 | 10200313220213 |
5 | 123341202401 |
6 | 11303020155 |
7 | 1606440422 |
oct | 440675047 |
9 | 167436578 |
10 | 75725351 |
11 | 39821639 |
12 | 2143a65b |
13 | 128c4800 |
14 | a0b29b9 |
15 | 69ac21b |
hex | 4837a27 |
75725351 has 12 divisors (see below), whose sum is σ = 84831480. Its totient is φ = 67485600.
The previous prime is 75725329. The next prime is 75725359. The reversal of 75725351 is 15352757.
It is not a de Polignac number, because 75725351 - 214 = 75708967 is a prime.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75725359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2825 + ... + 12626.
It is an arithmetic number, because the mean of its divisors is an integer number (7069290).
Almost surely, 275725351 is an apocalyptic number.
75725351 is a deficient number, since it is larger than the sum of its proper divisors (9106129).
75725351 is a wasteful number, since it uses less digits than its factorization.
75725351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15506 (or 15493 counting only the distinct ones).
The product of its digits is 36750, while the sum is 35.
The square root of 75725351 is about 8702.0314294997. The cubic root of 75725351 is about 423.0714948632.
The spelling of 75725351 in words is "seventy-five million, seven hundred twenty-five thousand, three hundred fifty-one".
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