Base | Representation |
---|---|
bin | 1000111101111… |
… | …10100111001001 |
3 | 12020120001200000 |
4 | 10132332213021 |
5 | 123224322031 |
6 | 11244233213 |
7 | 1602304254 |
oct | 436764711 |
9 | 166501600 |
10 | 75229641 |
11 | 39513163 |
12 | 2123b809 |
13 | 1277cca6 |
14 | 9dc409b |
15 | 69103e6 |
hex | 47be9c9 |
75229641 has 24 divisors (see below), whose sum is σ = 119325024. Its totient is φ = 47200320.
The previous prime is 75229633. The next prime is 75229669. The reversal of 75229641 is 14692257.
75229641 is a `hidden beast` number, since 7 + 5 + 2 + 2 + 9 + 641 = 666.
It is not a de Polignac number, because 75229641 - 23 = 75229633 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 75229596 and 75229605.
It is not an unprimeable number, because it can be changed into a prime (75229241) 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, 4975 + ... + 13236.
It is an arithmetic number, because the mean of its divisors is an integer number (4971876).
Almost surely, 275229641 is an apocalyptic number.
It is an amenable number.
75229641 is a deficient number, since it is larger than the sum of its proper divisors (44095383).
75229641 is a wasteful number, since it uses less digits than its factorization.
75229641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18243 (or 18231 counting only the distinct ones).
The product of its digits is 30240, while the sum is 36.
The square root of 75229641 is about 8673.5022338154. The cubic root of 75229641 is about 422.1463090385.
The spelling of 75229641 in words is "seventy-five million, two hundred twenty-nine thousand, six hundred forty-one".
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