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641132 = 22295527
BaseRepresentation
bin10011100100001101100
31012120110122
42130201230
5131004012
621424112
75310122
oct2344154
91176418
10641132
113a8768
1226b038
13195a8b
14129912
15c9e72
hex9c86c

641132 has 12 divisors (see below), whose sum is σ = 1160880. Its totient is φ = 309456.

The previous prime is 641131. The next prime is 641143. The reversal of 641132 is 231146.

It is a super-2 number, since 2×6411322 = 822100482848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641132.

It is not an unprimeable number, because it can be changed into a prime (641131) 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, 2648 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (96740).

2641132 is an apocalyptic number.

It is an amenable number.

641132 is a deficient number, since it is larger than the sum of its proper divisors (519748).

641132 is a wasteful number, since it uses less digits than its factorization.

641132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560 (or 5558 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 641132 is about 800.7071874287. The cubic root of 641132 is about 86.2281664261.

Adding to 641132 its reverse (231146), we get a palindrome (872278).

The spelling of 641132 in words is "six hundred forty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 29 58 116 5527 11054 22108 160283 320566 641132