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4156 = 221039
BaseRepresentation
bin1000000111100
312200221
41000330
5113111
631124
715055
oct10074
95627
104156
113139
1224a4
131b79
14172c
151371
hex103c

4156 has 6 divisors (see below), whose sum is σ = 7280. Its totient is φ = 2076.

The previous prime is 4153. The next prime is 4157. The reversal of 4156 is 6514.

4156 is nontrivially palindromic in base 3.

It is a d-powerful number, because it can be written as 45 + 55 + 1 + 6 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516 + ... + 523.

24156 is an apocalyptic number.

It is an amenable number.

4156 is a deficient number, since it is larger than the sum of its proper divisors (3124).

4156 is a wasteful number, since it uses less digits than its factorization.

4156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 4156 is about 64.4670458451. The cubic root of 4156 is about 16.0777466047.

The spelling of 4156 in words is "four thousand, one hundred fifty-six".

Divisors: 1 2 4 1039 2078 4156