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268156 = 22761157
BaseRepresentation
bin1000001011101111100
3111121211201
41001131330
532040111
65425244
72164540
oct1013574
9447751
10268156
11173519
1210b224
1395095
146da20
15546c1
hex4177c

268156 has 24 divisors (see below), whose sum is σ = 548576. Its totient is φ = 112320.

The previous prime is 268153. The next prime is 268171. The reversal of 268156 is 651862.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268153) 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, 1630 + ... + 1786.

2268156 is an apocalyptic number.

It is an amenable number.

268156 is an abundant number, since it is smaller than the sum of its proper divisors (280420).

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

268156 is a wasteful number, since it uses less digits than its factorization.

268156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 227 counting only the distinct ones).

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

The square root of 268156 is about 517.8378124471. The cubic root of 268156 is about 64.4855645439.

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

The spelling of 268156 in words is "two hundred sixty-eight thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 61 122 157 244 314 427 628 854 1099 1708 2198 4396 9577 19154 38308 67039 134078 268156