Search a number
-
+
2629768 = 23328721
BaseRepresentation
bin1010000010000010001000
311221121100211
422002002020
51133123033
6132210504
731231651
oct12020210
94847324
102629768
111536869
12a69a34
13710c9b
144c6528
1536e2cd
hex282088

2629768 has 8 divisors (see below), whose sum is σ = 4930830. Its totient is φ = 1314880.

The previous prime is 2629763. The next prime is 2629777. The reversal of 2629768 is 8679262.

It can be written as a sum of positive squares in only one way, i.e., 2377764 + 252004 = 1542^2 + 502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2629768.

It is not an unprimeable number, because it can be changed into a prime (2629763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164353 + ... + 164368.

22629768 is an apocalyptic number.

It is an amenable number.

2629768 is a deficient number, since it is larger than the sum of its proper divisors (2301062).

2629768 is a wasteful number, since it uses less digits than its factorization.

2629768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328727 (or 328723 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 2629768 is about 1621.6559437809. The cubic root of 2629768 is about 138.0296792568.

The spelling of 2629768 in words is "two million, six hundred twenty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 328721 657442 1314884 2629768