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156268 = 2275581
BaseRepresentation
bin100110001001101100
321221100201
4212021230
520000033
63203244
71220410
oct461154
9257321
10156268
11a7452
1276524
1356188
1440d40
153147d
hex2626c

156268 has 12 divisors (see below), whose sum is σ = 312592. Its totient is φ = 66960.

The previous prime is 156259. The next prime is 156269. The reversal of 156268 is 862651.

156268 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 5581 = 156268 / (1 + 5 + 6 + 2 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156269) by changing a digit.

156268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763 + ... + 2818.

156268 is a Friedman number, since it can be written as 6+(6+5^(8-1))*2, using all its digits and the basic arithmetic operations.

2156268 is an apocalyptic number.

It is an amenable number.

156268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

156268 is a wasteful number, since it uses less digits than its factorization.

156268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592 (or 5590 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 156268 is about 395.3074752645. The cubic root of 156268 is about 53.8629354287.

It can be divided in two parts, 156 and 268, that added together give a palindrome (424).

The spelling of 156268 in words is "one hundred fifty-six thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 5581 11162 22324 39067 78134 156268