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156342 = 2371367
BaseRepresentation
bin100110001010110110
321221110110
4212022312
520000332
63203450
71220544
oct461266
9257413
10156342
11a750a
1276586
1356214
1440d94
15314cc
hex262b6

156342 has 16 divisors (see below), whose sum is σ = 317952. Its totient is φ = 51240.

The previous prime is 156329. The next prime is 156347. The reversal of 156342 is 243651.

It is a happy number.

156342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 156342.

It is not an unprimeable number, because it can be changed into a prime (156347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243 + ... + 609.

It is an arithmetic number, because the mean of its divisors is an integer number (19872).

2156342 is an apocalyptic number.

156342 is an abundant number, since it is smaller than the sum of its proper divisors (161610).

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

156342 is a wasteful number, since it uses less digits than its factorization.

156342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its digits is 720, while the sum is 21.

The square root of 156342 is about 395.4010622141. The cubic root of 156342 is about 53.8714362696.

Adding to 156342 its reverse (243651), we get a palindrome (399993).

The spelling of 156342 in words is "one hundred fifty-six thousand, three hundred forty-two".

Divisors: 1 2 3 6 71 142 213 367 426 734 1101 2202 26057 52114 78171 156342