Base | Representation |
---|---|
bin | 1111111110101… |
… | …1000011000101 |
3 | 11200010010100000 |
4 | 3333223003011 |
5 | 114124214140 |
6 | 10352311513 |
7 | 1442454315 |
oct | 377530305 |
9 | 150103300 |
10 | 67023045 |
11 | 34918451 |
12 | 1a542599 |
13 | 10b6880b |
14 | 8c89445 |
15 | 5d3da30 |
hex | 3feb0c5 |
67023045 has 24 divisors (see below), whose sum is σ = 120478176. Its totient is φ = 35744976.
The previous prime is 67023043. The next prime is 67023053. The reversal of 67023045 is 54032076.
It is a happy number.
It is not a de Polignac number, because 67023045 - 21 = 67023043 is a prime.
It is a super-2 number, since 2×670230452 = 8984177122144050, which contains 22 as substring.
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 (67023041) 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, 26367 + ... + 28796.
It is an arithmetic number, because the mean of its divisors is an integer number (5019924).
Almost surely, 267023045 is an apocalyptic number.
It is an amenable number.
67023045 is a deficient number, since it is larger than the sum of its proper divisors (53455131).
67023045 is an equidigital number, since it uses as much as digits as its factorization.
67023045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55183 (or 55171 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 67023045 is about 8186.7603482696. The cubic root of 67023045 is about 406.2013710629.
The spelling of 67023045 in words is "sixty-seven million, twenty-three thousand, forty-five".
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