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8904061 = 11378797
BaseRepresentation
bin100001111101…
…110101111101
3121202101002001
4201331311331
54234412221
6514502301
7135453235
oct41756575
917671061
108904061
115031831
122b94991
131ac9a9a
14127acc5
15bad391
hex87dd7d

8904061 has 4 divisors (see below), whose sum is σ = 8982972. Its totient is φ = 8825152.

The previous prime is 8904043. The next prime is 8904067. The reversal of 8904061 is 1604098.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3115225 + 5788836 = 1765^2 + 2406^2 .

It is a cyclic number.

It is not a de Polignac number, because 8904061 - 213 = 8895869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8904067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39286 + ... + 39511.

It is an arithmetic number, because the mean of its divisors is an integer number (2245743).

Almost surely, 28904061 is an apocalyptic number.

It is an amenable number.

8904061 is a deficient number, since it is larger than the sum of its proper divisors (78911).

8904061 is a wasteful number, since it uses less digits than its factorization.

8904061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78910.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8904061 is about 2983.9673255584. The cubic root of 8904061 is about 207.2666249299.

The spelling of 8904061 in words is "eight million, nine hundred four thousand, sixty-one".

Divisors: 1 113 78797 8904061