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142556 = 22157227
BaseRepresentation
bin100010110011011100
321020112212
4202303130
514030211
63015552
71132421
oct426334
9236485
10142556
1198117
126a5b8
134cb6b
1439d48
152c38b
hex22cdc

142556 has 12 divisors (see below), whose sum is σ = 252168. Its totient is φ = 70512.

The previous prime is 142553. The next prime is 142559. The reversal of 142556 is 655241.

142556 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 (142553) and next prime (142559).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 515 + ... + 741.

It is an arithmetic number, because the mean of its divisors is an integer number (21014).

2142556 is an apocalyptic number.

It is an amenable number.

142556 is a deficient number, since it is larger than the sum of its proper divisors (109612).

142556 is a wasteful number, since it uses less digits than its factorization.

142556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 142556 is about 377.5658882897. The cubic root of 142556 is about 52.2390375573.

Adding to 142556 its reverse (655241), we get a palindrome (797797).

It can be divided in two parts, 1425 and 56, that multiplied together give a triangular number (79800 = T399).

The spelling of 142556 in words is "one hundred forty-two thousand, five hundred fifty-six".

Divisors: 1 2 4 157 227 314 454 628 908 35639 71278 142556