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629642 = 21361397
BaseRepresentation
bin10011001101110001010
31011222201002
42121232022
5130122032
621255002
75231456
oct2315612
91158632
10629642
113a0072
12264462
13190790
14125666
15c6862
hex99b8a

629642 has 16 divisors (see below), whose sum is σ = 1036392. Its totient is φ = 285120.

The previous prime is 629623. The next prime is 629653. The reversal of 629642 is 246926.

629642 is nontrivially palindromic in base 12.

629642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 303601 + 326041 = 551^2 + 571^2 .

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 629642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388 + ... + 1784.

2629642 is an apocalyptic number.

It is a pronic number, being equal to 793×794.

629642 is a deficient number, since it is larger than the sum of its proper divisors (406750).

629642 is a wasteful number, since it uses less digits than its factorization.

629642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its digits is 5184, while the sum is 29.

The square root of 629642 is about 793.4998424701. The cubic root of 629642 is about 85.7099476641.

The spelling of 629642 in words is "six hundred twenty-nine thousand, six hundred forty-two".

Divisors: 1 2 13 26 61 122 397 793 794 1586 5161 10322 24217 48434 314821 629642