Base | Representation |
---|---|
bin | 1010110011000… |
… | …00010111011000 |
3 | 20022102112202201 |
4 | 11121200113120 |
5 | 141141302443 |
6 | 12553135544 |
7 | 2146565014 |
oct | 531402730 |
9 | 208375681 |
10 | 90572248 |
11 | 471422a8 |
12 | 263ba5b4 |
13 | 159c2560 |
14 | c059544 |
15 | 7e4134d |
hex | 56605d8 |
90572248 has 32 divisors (see below), whose sum is σ = 183733200. Its totient is φ = 41609088.
The previous prime is 90572227. The next prime is 90572269. The reversal of 90572248 is 84227509.
It is an interprime number because it is at equal distance from previous prime (90572227) and next prime (90572269).
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21915 + ... + 25717.
Almost surely, 290572248 is an apocalyptic number.
It is an amenable number.
90572248 is an abundant number, since it is smaller than the sum of its proper divisors (93160952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90572248 is a wasteful number, since it uses less digits than its factorization.
90572248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4051 (or 4047 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 90572248 is about 9516.9453082384. The cubic root of 90572248 is about 449.0882742034.
It can be divided in two parts, 905 and 72248, that added together give a triangular number (73153 = T382).
The spelling of 90572248 in words is "ninety million, five hundred seventy-two thousand, two hundred forty-eight".
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