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7964090 = 25796409
BaseRepresentation
bin11110011000010110111010
3112222121200022
4132120112322
54014322330
6442410442
7124456631
oct36302672
915877608
107964090
11454a5a2
122800a22
13185aca4
1410b4518
15a74ae5
hex7985ba

7964090 has 8 divisors (see below), whose sum is σ = 14335380. Its totient is φ = 3185632.

The previous prime is 7964071. The next prime is 7964093. The reversal of 7964090 is 904697.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6901129 + 1062961 = 2627^2 + 1031^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 7964090.

It is not an unprimeable number, because it can be changed into a prime (7964093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398195 + ... + 398214.

Almost surely, 27964090 is an apocalyptic number.

7964090 is a deficient number, since it is larger than the sum of its proper divisors (6371290).

7964090 is a wasteful number, since it uses less digits than its factorization.

7964090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796416.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 7964090 is about 2822.0719338812. The cubic root of 7964090 is about 199.7003011273.

The spelling of 7964090 in words is "seven million, nine hundred sixty-four thousand, ninety".

Divisors: 1 2 5 10 796409 1592818 3982045 7964090