Base | Representation |
---|---|
bin | 100101001001… |
… | …101011011100 |
3 | 200022210100200 |
4 | 211021223130 |
5 | 4443121342 |
6 | 544423500 |
7 | 145531335 |
oct | 45115334 |
9 | 20283320 |
10 | 9738972 |
11 | 5552041 |
12 | 3317b90 |
13 | 202cb09 |
14 | 141728c |
15 | cc594c |
hex | 949adc |
9738972 has 18 divisors (see below), whose sum is σ = 24618048. Its totient is φ = 3246312.
The previous prime is 9738947. The next prime is 9738979. The reversal of 9738972 is 2798379.
9738972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9738979) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135228 + ... + 135299.
Almost surely, 29738972 is an apocalyptic number.
It is an amenable number.
9738972 is an abundant number, since it is smaller than the sum of its proper divisors (14879076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9738972 is a wasteful number, since it uses less digits than its factorization.
9738972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270537 (or 270532 counting only the distinct ones).
The product of its digits is 190512, while the sum is 45.
The square root of 9738972 is about 3120.7326062962. The cubic root of 9738972 is about 213.5523586043.
It can be divided in two parts, 97389 and 72, that added together give a triangular number (97461 = T441).
The spelling of 9738972 in words is "nine million, seven hundred thirty-eight thousand, nine hundred seventy-two".
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