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127156 = 2283383
BaseRepresentation
bin11111000010110100
320110102111
4133002310
513032111
62420404
71036501
oct370264
9213374
10127156
1187597
1261704
1345b53
14344a8
1527a21
hex1f0b4

127156 has 12 divisors (see below), whose sum is σ = 225792. Its totient is φ = 62648.

The previous prime is 127139. The next prime is 127157. The reversal of 127156 is 651721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127157) by changing a digit.

127156 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, 141 + ... + 523.

It is an arithmetic number, because the mean of its divisors is an integer number (18816).

2127156 is an apocalyptic number.

It is an amenable number.

127156 is a deficient number, since it is larger than the sum of its proper divisors (98636).

127156 is a wasteful number, since it uses less digits than its factorization.

127156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 127156 is about 356.5893997303. The cubic root of 127156 is about 50.2858295821.

Subtracting from 127156 its product of digits (420), we obtain a square (126736 = 3562).

Adding to 127156 its reverse (651721), we get a palindrome (778877).

It can be divided in two parts, 12715 and 6, that added together give a palindrome (12721).

The spelling of 127156 in words is "one hundred twenty-seven thousand, one hundred fifty-six".

Divisors: 1 2 4 83 166 332 383 766 1532 31789 63578 127156