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4494631 = 15712861
BaseRepresentation
bin10001001001010100100111
322110100110211
4101021110213
52122312011
6240200251
753126611
oct21112447
98410424
104494631
11259a979
121609087
13c14a5b
1484ddb1
155dbb21
hex449527

4494631 has 4 divisors (see below), whose sum is σ = 4499064. Its totient is φ = 4490200.

The previous prime is 4494629. The next prime is 4494641. The reversal of 4494631 is 1364944.

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 is a cyclic number.

It is not a de Polignac number, because 4494631 - 21 = 4494629 is a prime.

It is a super-2 number, since 2×44946312 = 40403415652322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4494593 and 4494602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4494641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (1124766).

Almost surely, 24494631 is an apocalyptic number.

4494631 is a deficient number, since it is larger than the sum of its proper divisors (4433).

4494631 is a wasteful number, since it uses less digits than its factorization.

4494631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432.

The product of its digits is 10368, while the sum is 31.

The square root of 4494631 is about 2120.0544804320. The cubic root of 4494631 is about 165.0306768796.

The spelling of 4494631 in words is "four million, four hundred ninety-four thousand, six hundred thirty-one".

Divisors: 1 1571 2861 4494631