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632442 = 23105407
BaseRepresentation
bin10011010011001111010
31012010112210
42122121322
5130214232
621315550
75242566
oct2323172
91163483
10632442
113a2188
12265bb6
13191b35
141266a6
15c75cc
hex9a67a

632442 has 8 divisors (see below), whose sum is σ = 1264896. Its totient is φ = 210812.

The previous prime is 632393. The next prime is 632447. The reversal of 632442 is 244236.

It is a sphenic number, since it is the product of 3 distinct primes.

632442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (632447) by changing a digit.

632442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52698 + ... + 52709.

It is an arithmetic number, because the mean of its divisors is an integer number (158112).

2632442 is an apocalyptic number.

632442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

632442 is a wasteful number, since it uses less digits than its factorization.

632442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105412.

The product of its digits is 1152, while the sum is 21.

The square root of 632442 is about 795.2622209058. The cubic root of 632442 is about 85.8368096957.

Adding to 632442 its reverse (244236), we get a palindrome (876678).

The spelling of 632442 in words is "six hundred thirty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 105407 210814 316221 632442