Base | Representation |
---|---|
bin | 1010110101010… |
… | …10001110000000 |
3 | 20022222220201120 |
4 | 11122222032000 |
5 | 141230443002 |
6 | 13003432240 |
7 | 2152264653 |
oct | 532521600 |
9 | 208886646 |
10 | 90874752 |
11 | 47329601 |
12 | 26525680 |
13 | 15a9a157 |
14 | c0d789a |
15 | 7ea0cbc |
hex | 56aa380 |
90874752 has 32 divisors (see below), whose sum is σ = 241387080. Its totient is φ = 30291456.
The previous prime is 90874709. The next prime is 90874759. The reversal of 90874752 is 25747809.
It is a tau number, because it is divible by the number of its divisors (32).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90874759) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 117943 + ... + 118710.
Almost surely, 290874752 is an apocalyptic number.
It is an amenable number.
90874752 is an abundant number, since it is smaller than the sum of its proper divisors (150512328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90874752 is a wasteful number, since it uses less digits than its factorization.
90874752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236670 (or 236658 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 90874752 is about 9532.8249747911. The cubic root of 90874752 is about 449.5876914771.
The spelling of 90874752 in words is "ninety million, eight hundred seventy-four thousand, seven hundred fifty-two".
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