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630042 = 23722143
BaseRepresentation
bin10011001110100011010
31012000020220
42121310122
5130130132
621300510
75232600
oct2316432
91160226
10630042
113a03a6
12264736
13190a0a
14125870
15c6a2c
hex99d1a

630042 has 24 divisors (see below), whose sum is σ = 1466496. Its totient is φ = 179928.

The previous prime is 630029. The next prime is 630043. The reversal of 630042 is 240036.

630042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630042.

It is not an unprimeable number, because it can be changed into a prime (630043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (61104).

2630042 is an apocalyptic number.

630042 is an abundant number, since it is smaller than the sum of its proper divisors (836454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630042 is a wasteful number, since it uses less digits than its factorization.

630042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 630042 is about 793.7518503915. The cubic root of 630042 is about 85.7280938072.

Adding to 630042 its reverse (240036), we get a palindrome (870078).

The spelling of 630042 in words is "six hundred thirty thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 2143 4286 6429 12858 15001 30002 45003 90006 105007 210014 315021 630042