Search a number
2064969 = 324792
BaseRepresentation
bin111111000001001001001
310212220121100
413320021021
51012034334
6112132013
723360214
oct7701111
93786540
102064969
111190495
12837009
13573b9a
143ba77b
152abc99
hex1f8249

2064969 has 9 divisors (see below), whose sum is σ = 2988973. Its totient is φ = 1373772.

The previous prime is 2064961. The next prime is 2064971. The reversal of 2064969 is 9694602.

Multipling 2064969 by its sum of digits (36), we get a square (74338884 = 86222).

The square root of 2064969 is 1437.

It is a perfect power (a square), and thus also a powerful number.

2064969 is a `hidden beast` number, since 2 + 0 + 649 + 6 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2064969 - 23 = 2064961 is a prime.

It is a super-2 number, since 2×20649692 = 8528193941922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4072 + ... + 4550.

22064969 is an apocalyptic number.

2064969 is the 1437-th square number.

2064969 is the 719-th centered octagonal number.

It is an amenable number.

2064969 is a deficient number, since it is larger than the sum of its proper divisors (924004).

2064969 is an frugal number, since it uses more digits than its factorization.

2064969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The cubic root of 2064969 is about 127.3418569869.

The spelling of 2064969 in words is "two million, sixty-four thousand, nine hundred sixty-nine".

Divisors: 1 3 9 479 1437 4311 229441 688323 2064969