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163136 = 262549
BaseRepresentation
bin100111110101000000
322021210002
4213311000
520210021
63255132
71246421
oct476500
9267702
10163136
11101626
127a4a8
135933c
1443648
153350b
hex27d40

163136 has 14 divisors (see below), whose sum is σ = 323850. Its totient is φ = 81536.

The previous prime is 163129. The next prime is 163147. The reversal of 163136 is 631361.

163136 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 160000 + 3136 = 400^2 + 56^2 .

It is a super-2 number, since 2×1631362 = 53226708992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

163136 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 as a sum of consecutive naturals, namely, 1211 + ... + 1338.

2163136 is an apocalyptic number.

163136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163136 is a deficient number, since it is larger than the sum of its proper divisors (160714).

163136 is an equidigital number, since it uses as much as digits as its factorization.

163136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2551 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 163136 is about 403.9009779637. The cubic root of 163136 is about 54.6407438731.

Adding to 163136 its reverse (631361), we get a palindrome (794497).

It can be divided in two parts, 16 and 3136, that multiplied together give a square (50176 = 2242).

The spelling of 163136 in words is "one hundred sixty-three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 2549 5098 10196 20392 40784 81568 163136