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4664631 = 31554877
BaseRepresentation
bin10001110010110100110111
322202222200010
4101302310313
52143232011
6243551303
754435336
oct21626467
98688603
104664631
1126a6674
12168b533
13c7424a
14895d1d
156221a6
hex472d37

4664631 has 4 divisors (see below), whose sum is σ = 6219512. Its totient is φ = 3109752.

The previous prime is 4664603. The next prime is 4664641. The reversal of 4664631 is 1364664.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4664631 - 26 = 4664567 is a prime.

It is a super-2 number, since 2×46646312 = 43517564732322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4664631 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664641) 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, 777436 + ... + 777441.

It is an arithmetic number, because the mean of its divisors is an integer number (1554878).

Almost surely, 24664631 is an apocalyptic number.

4664631 is a deficient number, since it is larger than the sum of its proper divisors (1554881).

4664631 is a wasteful number, since it uses less digits than its factorization.

4664631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554880.

The product of its digits is 10368, while the sum is 30.

The square root of 4664631 is about 2159.7756827967. The cubic root of 4664631 is about 167.0856290517.

The spelling of 4664631 in words is "four million, six hundred sixty-four thousand, six hundred thirty-one".

Divisors: 1 3 1554877 4664631