Base | Representation |
---|---|
bin | 1010110011110… |
… | …01100011101000 |
3 | 20022121210022100 |
4 | 11121321203220 |
5 | 141203103212 |
6 | 12555253400 |
7 | 2150504601 |
oct | 531714350 |
9 | 208553270 |
10 | 90675432 |
11 | 47202881 |
12 | 2644a260 |
13 | 15a2a503 |
14 | c084da8 |
15 | 7e61bdc |
hex | 56798e8 |
90675432 has 48 divisors (see below), whose sum is σ = 247983840. Its totient is φ = 29929248.
The previous prime is 90675397. The next prime is 90675437. The reversal of 90675432 is 23457609.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (90675437) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1303 + ... + 13529.
It is an arithmetic number, because the mean of its divisors is an integer number (5166330).
Almost surely, 290675432 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 90675432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123991920).
90675432 is an abundant number, since it is smaller than the sum of its proper divisors (157308408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90675432 is a wasteful number, since it uses less digits than its factorization.
90675432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12342 (or 12335 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 90675432 is about 9522.3648323303. The cubic root of 90675432 is about 449.2587500374.
The spelling of 90675432 in words is "ninety million, six hundred seventy-five thousand, four hundred thirty-two".
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