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142550 = 2522851
BaseRepresentation
bin100010110011010110
321020112122
4202303112
514030200
63015542
71132412
oct426326
9236478
10142550
1198111
126a5b2
134cb65
1439d42
152c385
hex22cd6

142550 has 12 divisors (see below), whose sum is σ = 265236. Its totient is φ = 57000.

The previous prime is 142547. The next prime is 142553. The reversal of 142550 is 55241.

142550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142547) and next prime (142553).

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142550.

It is not an unprimeable number, because it can be changed into a prime (142553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376 + ... + 1475.

It is an arithmetic number, because the mean of its divisors is an integer number (22103).

2142550 is an apocalyptic number.

142550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142550 is a deficient number, since it is larger than the sum of its proper divisors (122686).

142550 is a wasteful number, since it uses less digits than its factorization.

142550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 142550 is about 377.5579425731. The cubic root of 142550 is about 52.2383046556.

Adding to 142550 its reverse (55241), we get a palindrome (197791).

The spelling of 142550 in words is "one hundred forty-two thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 2851 5702 14255 28510 71275 142550