Search a number
-
+
9045680 = 245729557
BaseRepresentation
bin100010100000…
…011010110000
3122000120100012
4202200122300
54303430210
6521514052
7136613150
oct42403260
918016305
109045680
115119176
123042928
131b49397
1412b6760
15bda305
hex8a06b0

9045680 has 80 divisors (see below), whose sum is σ = 24909120. Its totient is φ = 2989056.

The previous prime is 9045679. The next prime is 9045689. The reversal of 9045680 is 865409.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (9045689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15962 + ... + 16518.

It is an arithmetic number, because the mean of its divisors is an integer number (311364).

Almost surely, 29045680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9045680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12454560).

9045680 is an abundant number, since it is smaller than the sum of its proper divisors (15863440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9045680 is a wasteful number, since it uses less digits than its factorization.

9045680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 9045680 is about 3007.6036972979. The cubic root of 9045680 is about 208.3597079498.

The spelling of 9045680 in words is "nine million, forty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 112 116 140 145 203 232 280 290 406 464 557 560 580 812 1015 1114 1160 1624 2030 2228 2320 2785 3248 3899 4060 4456 5570 7798 8120 8912 11140 15596 16153 16240 19495 22280 31192 32306 38990 44560 62384 64612 77980 80765 113071 129224 155960 161530 226142 258448 311920 323060 452284 565355 646120 904568 1130710 1292240 1809136 2261420 4522840 9045680