Base | Representation |
---|---|
bin | 111101010100… |
… | …1011000010000 |
3 | 2020111102221212 |
4 | 1322221120100 |
5 | 31212313211 |
6 | 3105035252 |
7 | 540164600 |
oct | 172513020 |
9 | 66442855 |
10 | 32151056 |
11 | 1716a623 |
12 | a925b28 |
13 | 68790c2 |
14 | 43acc00 |
15 | 2c5138b |
hex | 1ea9610 |
32151056 has 60 divisors (see below), whose sum is σ = 75655872. Its totient is φ = 13172544.
The previous prime is 32150953. The next prime is 32151101. The reversal of 32151056 is 65015123.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17141 + ... + 18923.
Almost surely, 232151056 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 32151056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37827936).
32151056 is an abundant number, since it is smaller than the sum of its proper divisors (43504816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32151056 is a wasteful number, since it uses less digits than its factorization.
32151056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1828 (or 1815 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 32151056 is about 5670.1901202693. The cubic root of 32151056 is about 317.9789815097.
Adding to 32151056 its reverse (65015123), we get a palindrome (97166179).
The spelling of 32151056 in words is "thirty-two million, one hundred fifty-one thousand, fifty-six".
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