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7964041 = 17468473
BaseRepresentation
bin11110011000010110001001
3112222121121111
4132120112021
54014322131
6442410321
7124456531
oct36302611
915877544
107964041
11454a558
1228009a1
13185ac67
1410b44c1
15a74ab1
hex798589

7964041 has 4 divisors (see below), whose sum is σ = 8432532. Its totient is φ = 7495552.

The previous prime is 7964039. The next prime is 7964051. The reversal of 7964041 is 1404697.

7964041 = 19952 + 19962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1404697 = 7200671.

It can be written as a sum of positive squares in 2 ways, for example, as 3984016 + 3980025 = 1996^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 7964041 - 21 = 7964039 is a prime.

It is a Duffinian number.

7964041 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7963994 and 7964012.

It is not an unprimeable number, because it can be changed into a prime (7964051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234220 + ... + 234253.

It is an arithmetic number, because the mean of its divisors is an integer number (2108133).

Almost surely, 27964041 is an apocalyptic number.

7964041 is the 1996-th centered square number.

It is an amenable number.

7964041 is a deficient number, since it is larger than the sum of its proper divisors (468491).

7964041 is a wasteful number, since it uses less digits than its factorization.

7964041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468490.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7964041 is about 2822.0632523032. The cubic root of 7964041 is about 199.6998915666.

The spelling of 7964041 in words is "seven million, nine hundred sixty-four thousand, forty-one".

Divisors: 1 17 468473 7964041