Base | Representation |
---|---|
bin | 1010101111110… |
… | …00111001001110 |
3 | 20021122000101202 |
4 | 11113320321032 |
5 | 141034222210 |
6 | 12540105502 |
7 | 2143151261 |
oct | 527707116 |
9 | 207560352 |
10 | 90148430 |
11 | 46982939 |
12 | 26235292 |
13 | 158a4688 |
14 | bd88cd8 |
15 | 7daa9a5 |
hex | 55f8e4e |
90148430 has 16 divisors (see below), whose sum is σ = 164491344. Its totient is φ = 35565120.
The previous prime is 90148417. The next prime is 90148441. The reversal of 90148430 is 3484109.
It is a junction number, because it is equal to n+sod(n) for n = 90148393 and 90148402.
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, 61016 + ... + 62475.
It is an arithmetic number, because the mean of its divisors is an integer number (10280709).
Almost surely, 290148430 is an apocalyptic number.
90148430 is a deficient number, since it is larger than the sum of its proper divisors (74342914).
90148430 is a wasteful number, since it uses less digits than its factorization.
90148430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123571.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 90148430 is about 9494.6527056022. The cubic root of 90148430 is about 448.3867004214.
The spelling of 90148430 in words is "ninety million, one hundred forty-eight thousand, four hundred thirty".
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