Base | Representation |
---|---|
bin | 10001010101101000110000 |
3 | 22112220200000 |
4 | 101111220300 |
5 | 2130420242 |
6 | 241230000 |
7 | 53426640 |
oct | 21255060 |
9 | 8486600 |
10 | 4545072 |
11 | 2624864 |
12 | 1632300 |
13 | c319bc |
14 | 864520 |
15 | 5eba4c |
hex | 455a30 |
4545072 has 120 divisors (see below), whose sum is σ = 15165696. Its totient is φ = 1290816.
The previous prime is 4545071. The next prime is 4545077. The reversal of 4545072 is 2705454.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (4545071) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27133 + ... + 27299.
Almost surely, 24545072 is an apocalyptic number.
4545072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4545072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7582848).
4545072 is an abundant number, since it is smaller than the sum of its proper divisors (10620624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4545072 is a wasteful number, since it uses less digits than its factorization.
4545072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197 (or 179 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 27.
The square root of 4545072 is about 2131.9174468070. The cubic root of 4545072 is about 165.6457340602.
The spelling of 4545072 in words is "four million, five hundred forty-five thousand, seventy-two".
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