Base | Representation |
---|---|
bin | 1010110010000… |
… | …10101111101111 |
3 | 20022012101100100 |
4 | 11121002233233 |
5 | 141123412202 |
6 | 12550402143 |
7 | 2145551220 |
oct | 531025757 |
9 | 208171310 |
10 | 90450927 |
11 | 4706a136 |
12 | 26360353 |
13 | 1597c278 |
14 | c027247 |
15 | 7e1a41c |
hex | 5642bef |
90450927 has 24 divisors (see below), whose sum is σ = 155810304. Its totient is φ = 49438224.
The previous prime is 90450907. The next prime is 90450937. The reversal of 90450927 is 72905409.
It is not a de Polignac number, because 90450927 - 28 = 90450671 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 90450891 and 90450900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90450907) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29763 + ... + 32660.
It is an arithmetic number, because the mean of its divisors is an integer number (6492096).
Almost surely, 290450927 is an apocalyptic number.
90450927 is a deficient number, since it is larger than the sum of its proper divisors (65359377).
90450927 is a wasteful number, since it uses less digits than its factorization.
90450927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62459 (or 62456 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 90450927 is about 9510.5692258666. The cubic root of 90450927 is about 448.8876675615.
The spelling of 90450927 in words is "ninety million, four hundred fifty thousand, nine hundred twenty-seven".
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