Search a number
-
+
5642469 = 32789563
BaseRepresentation
bin10101100001100011100101
3101121200000100
4111201203211
52421024334
6320534313
765650230
oct25414345
911550010
105642469
1132042a8
121a81399
131227351
14a6c417
15766c99
hex5618e5

5642469 has 12 divisors (see below), whose sum is σ = 9314656. Its totient is φ = 3224232.

The previous prime is 5642459. The next prime is 5642477. The reversal of 5642469 is 9642465.

5642469 is a `hidden beast` number, since 5 + 642 + 4 + 6 + 9 = 666.

It is not a de Polignac number, because 5642469 - 216 = 5576933 is a prime.

It is a super-2 number, since 2×56424692 = 63674912831922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642459) 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 11 ways as a sum of consecutive naturals, for example, 44719 + ... + 44844.

Almost surely, 25642469 is an apocalyptic number.

It is an amenable number.

5642469 is a deficient number, since it is larger than the sum of its proper divisors (3672187).

5642469 is a wasteful number, since it uses less digits than its factorization.

5642469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89576 (or 89573 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5642469 is about 2375.3881788036. The cubic root of 5642469 is about 178.0285797648.

The spelling of 5642469 in words is "five million, six hundred forty-two thousand, four hundred sixty-nine".

Divisors: 1 3 7 9 21 63 89563 268689 626941 806067 1880823 5642469