Search a number
BaseRepresentation
bin11101100100
32121002
4131210
530032
612432
75342
oct3544
92532
101892
111470
121118
13b27
14992
15862
hex764

1892 has 12 divisors (see below), whose sum is σ = 3696. Its totient is φ = 840.

The previous prime is 1889. The next prime is 1901. The reversal of 1892 is 2981.

Subtracting 1892 from its reverse (2981), we obtain a square (1089 = 332).

It can be divided in two parts, 189 and 2, that multiplied together give a triangular number (378 = T27).

It is an alternating number because its digits alternate between odd and even.

It is a pancake number, because a pancake can be divided into 1892 parts by 61 straight cuts.

It is a plaindrome in base 12.

It is a nialpdrome in base 14, base 15 and base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 65.

It is an arithmetic number, because the mean of its divisors is an integer number (308).

It is a pronic number, being equal to 43×44.

It is an amenable number.

1892 is a deficient number, since it is larger than the sum of its proper divisors (1804).

1892 is a wasteful number, since it uses less digits than its factorization.

1892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 56 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 1892 is about 43.4971263419. The cubic root of 1892 is about 12.3682155105.

The spelling of 1892 in words is "one thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1892