Base | Representation |
---|---|
bin | 1000101110000… |
… | …10101100001000 |
3 | 12002122100211100 |
4 | 10113002230020 |
5 | 122211233232 |
6 | 11131501400 |
7 | 1545520644 |
oct | 427025410 |
9 | 162570740 |
10 | 73149192 |
11 | 38322086 |
12 | 205b7860 |
13 | 1220205c |
14 | 9a01c24 |
15 | 664dc7c |
hex | 45c2b08 |
73149192 has 48 divisors (see below), whose sum is σ = 202728240. Its totient is φ = 23815008.
The previous prime is 73149191. The next prime is 73149229. The reversal of 73149192 is 29194137.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (73149191) 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, 8718 + ... + 14909.
It is an arithmetic number, because the mean of its divisors is an integer number (4223505).
Almost surely, 273149192 is an apocalyptic number.
73149192 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
73149192 is an abundant number, since it is smaller than the sum of its proper divisors (129579048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73149192 is a wasteful number, since it uses less digits than its factorization.
73149192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23682 (or 23675 counting only the distinct ones).
The product of its digits is 13608, while the sum is 36.
The square root of 73149192 is about 8552.7300904448. The cubic root of 73149192 is about 418.2184400419.
The spelling of 73149192 in words is "seventy-three million, one hundred forty-nine thousand, one hundred ninety-two".
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