Base | Representation |
---|---|
bin | 111111111110… |
… | …111101111100 |
3 | 1011120011012210 |
4 | 333332331330 |
5 | 13243213423 |
6 | 1355300420 |
7 | 262365561 |
oct | 77767574 |
9 | 34504183 |
10 | 16772988 |
11 | 9516881 |
12 | 574a710 |
13 | 362365b |
14 | 2328868 |
15 | 1714b93 |
hex | ffef7c |
16772988 has 36 divisors (see below), whose sum is σ = 40262712. Its totient is φ = 5434560.
The previous prime is 16772983. The next prime is 16772993. The reversal of 16772988 is 88927761.
It is an interprime number because it is at equal distance from previous prime (16772983) and next prime (16772993).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16772983) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15918 + ... + 16938.
Almost surely, 216772988 is an apocalyptic number.
It is an amenable number.
16772988 is an abundant number, since it is smaller than the sum of its proper divisors (23489724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16772988 is a wasteful number, since it uses less digits than its factorization.
16772988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1102 (or 1063 counting only the distinct ones).
The product of its digits is 338688, while the sum is 48.
The square root of 16772988 is about 4095.4838541984. The cubic root of 16772988 is about 255.9784934732.
The spelling of 16772988 in words is "sixteen million, seven hundred seventy-two thousand, nine hundred eighty-eight".
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