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4002629 = 14292801
BaseRepresentation
bin1111010001001101000101
321112100120112
433101031011
52011041004
6221442405
746010321
oct17211505
97470515
104002629
112294264
121410405
13aa1b27
14762981
15540e6e
hex3d1345

4002629 has 4 divisors (see below), whose sum is σ = 4006860. Its totient is φ = 3998400.

The previous prime is 4002611. The next prime is 4002631. The reversal of 4002629 is 9262004.

4002629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1020100 + 2982529 = 1010^2 + 1727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4002629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002679) 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, 29 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (1001715).

Almost surely, 24002629 is an apocalyptic number.

It is an amenable number.

4002629 is a deficient number, since it is larger than the sum of its proper divisors (4231).

4002629 is a wasteful number, since it uses less digits than its factorization.

4002629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4002629 is about 2000.6571420411. The cubic root of 4002629 is about 158.7748748919.

The spelling of 4002629 in words is "four million, two thousand, six hundred twenty-nine".

Divisors: 1 1429 2801 4002629