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142310 = 25719107
BaseRepresentation
bin100010101111100110
321020012202
4202233212
514023220
63014502
71131620
oct425746
9236182
10142310
1197a13
126a432
134ca0c
1439c10
152c275
hex22be6

142310 has 32 divisors (see below), whose sum is σ = 311040. Its totient is φ = 45792.

The previous prime is 142297. The next prime is 142319. The reversal of 142310 is 13241.

Adding to 142310 its reverse (13241), we get a palindrome (155551).

It is a happy number.

It is a super-2 number, since 2×1423102 = 40504272200, which contains 22 as substring.

Together with 168730 it forms an amicable pair .

It is a junction number, because it is equal to n+sod(n) for n = 142291 and 142300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277 + ... + 1383.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2142310 is an apocalyptic number.

142310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142310 is an abundant number, since it is smaller than the sum of its proper divisors (168730).

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

142310 is a wasteful number, since it uses less digits than its factorization.

142310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 142310 is about 377.2399766727. The cubic root of 142310 is about 52.2089717065.

The spelling of 142310 in words is "one hundred forty-two thousand, three hundred ten", and thus it is an iban number.

Divisors: 1 2 5 7 10 14 19 35 38 70 95 107 133 190 214 266 535 665 749 1070 1330 1498 2033 3745 4066 7490 10165 14231 20330 28462 71155 142310