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8064921 = 38093323
BaseRepresentation
bin11110110000111110011001
3120011201222210
4132300332121
54031034141
6444505333
7125356614
oct36607631
916151883
108064921
114609327
12284b249
131894b57
1410dd17b
15a94916
hex7b0f99

8064921 has 8 divisors (see below), whose sum is σ = 10769760. Its totient is φ = 5368352.

The previous prime is 8064907. The next prime is 8064941. The reversal of 8064921 is 1294608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8064921 - 222 = 3870617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8064941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 4088.

It is an arithmetic number, because the mean of its divisors is an integer number (1346220).

Almost surely, 28064921 is an apocalyptic number.

It is an amenable number.

8064921 is a deficient number, since it is larger than the sum of its proper divisors (2704839).

8064921 is a wasteful number, since it uses less digits than its factorization.

8064921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8064921 is about 2839.8804552305. The cubic root of 8064921 is about 200.5395514456.

The spelling of 8064921 in words is "eight million, sixty-four thousand, nine hundred twenty-one".

Divisors: 1 3 809 2427 3323 9969 2688307 8064921