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2090629 = 13115959
BaseRepresentation
bin111111110011010000101
310221012210201
413332122011
51013400004
6112450501
723525062
oct7763205
93835721
102090629
1111a87a2
12849a31
13582778
143c5c69
152b46a4
hex1fe685

2090629 has 4 divisors (see below), whose sum is σ = 2106720. Its totient is φ = 2074540.

The previous prime is 2090623. The next prime is 2090633. The reversal of 2090629 is 9260902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2090629 - 25 = 2090597 is a prime.

It is a Duffinian number.

2090629 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2090597 and 2090606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7849 + ... + 8110.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

22090629 is an apocalyptic number.

It is an amenable number.

2090629 is a deficient number, since it is larger than the sum of its proper divisors (16091).

2090629 is a wasteful number, since it uses less digits than its factorization.

2090629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16090.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2090629 is about 1445.9007573136. The cubic root of 2090629 is about 127.8671513921.

The spelling of 2090629 in words is "two million, ninety thousand, six hundred twenty-nine".

Divisors: 1 131 15959 2090629