Base | Representation |
---|---|
bin | 1111010010100… |
… | …1010010000101 |
3 | 11110200020212202 |
4 | 3310221102011 |
5 | 112404212404 |
6 | 10210324245 |
7 | 1406054300 |
oct | 364512205 |
9 | 143606782 |
10 | 64132229 |
11 | 33223547 |
12 | 19589685 |
13 | 10395a85 |
14 | 8735b37 |
15 | 596c21e |
hex | 3d29485 |
64132229 has 24 divisors (see below), whose sum is σ = 76684608. Its totient is φ = 53464320.
The previous prime is 64132223. The next prime is 64132231. The reversal of 64132229 is 92223146.
It is not a de Polignac number, because 64132229 - 24 = 64132213 is a prime.
It is a super-2 number, since 2×641322292 = 8225885593016882, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64132223) 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, 489494 + ... + 489624.
It is an arithmetic number, because the mean of its divisors is an integer number (3195192).
Almost surely, 264132229 is an apocalyptic number.
It is an amenable number.
64132229 is a deficient number, since it is larger than the sum of its proper divisors (12552379).
64132229 is a wasteful number, since it uses less digits than its factorization.
64132229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345 (or 338 counting only the distinct ones).
The product of its digits is 5184, while the sum is 29.
The square root of 64132229 is about 8008.2600482252. The cubic root of 64132229 is about 400.2752875817.
The spelling of 64132229 in words is "sixty-four million, one hundred thirty-two thousand, two hundred twenty-nine".
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