Base | Representation |
---|---|
bin | 1010110001010… |
… | …01110110000010 |
3 | 20022000012102200 |
4 | 11120221312002 |
5 | 141112131210 |
6 | 12544254030 |
7 | 2144644650 |
oct | 530516602 |
9 | 208005380 |
10 | 90348930 |
11 | 46aaa541 |
12 | 26311316 |
13 | 15944a09 |
14 | bddbdd0 |
15 | 7dea0c0 |
hex | 5629d82 |
90348930 has 96 divisors (see below), whose sum is σ = 272982528. Its totient is φ = 20304000.
The previous prime is 90348919. The next prime is 90349019. The reversal of 90348930 is 3984309.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37255 + ... + 39605.
It is an arithmetic number, because the mean of its divisors is an integer number (2843568).
Almost surely, 290348930 is an apocalyptic number.
90348930 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 90348930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136491264).
90348930 is an abundant number, since it is smaller than the sum of its proper divisors (182633598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90348930 is a wasteful number, since it uses less digits than its factorization.
90348930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2432 (or 2429 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 90348930 is about 9505.2054159813. The cubic root of 90348930 is about 448.7188746862.
The spelling of 90348930 in words is "ninety million, three hundred forty-eight thousand, nine hundred thirty".
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