Base | Representation |
---|---|
bin | 1010110000100… |
… | …01010111111001 |
3 | 20021211002221100 |
4 | 11120101113321 |
5 | 141100424242 |
6 | 12542202013 |
7 | 2144046510 |
oct | 530212771 |
9 | 207732840 |
10 | 90248697 |
11 | 46a41200 |
12 | 26283309 |
13 | 1590b1c6 |
14 | bdb3677 |
15 | 7dca54c |
hex | 56115f9 |
90248697 has 36 divisors (see below), whose sum is σ = 163770880. Its totient is φ = 46878480.
The previous prime is 90248687. The next prime is 90248723. The reversal of 90248697 is 79684209.
It is a happy number.
It is not a de Polignac number, because 90248697 - 24 = 90248681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90248647) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1704 + ... + 13542.
Almost surely, 290248697 is an apocalyptic number.
It is an amenable number.
90248697 is a deficient number, since it is larger than the sum of its proper divisors (73522183).
90248697 is a wasteful number, since it uses less digits than its factorization.
90248697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11874 (or 11860 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 90248697 is about 9499.9314208051. The cubic root of 90248697 is about 448.5528772159.
It can be divided in two parts, 9024869 and 7, that added together give a triangular number (9024876 = T4248).
The spelling of 90248697 in words is "ninety million, two hundred forty-eight thousand, six hundred ninety-seven".
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