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2156033 = 11196003
BaseRepresentation
bin1000001110011000000001
311001112112002
420032120001
51022443113
6114113345
724216545
oct10163001
94045462
102156033
111242950
1287b855
135a6479
14401a25
152c8c58
hex20e601

2156033 has 4 divisors (see below), whose sum is σ = 2352048. Its totient is φ = 1960020.

The previous prime is 2156023. The next prime is 2156039. The reversal of 2156033 is 3306512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2156033 - 24 = 2156017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2155996 and 2156014.

It is not an unprimeable number, because it can be changed into a prime (2156039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97991 + ... + 98012.

It is an arithmetic number, because the mean of its divisors is an integer number (588012).

22156033 is an apocalyptic number.

It is an amenable number.

2156033 is a deficient number, since it is larger than the sum of its proper divisors (196015).

2156033 is a wasteful number, since it uses less digits than its factorization.

2156033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196014.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2156033 is about 1468.3436246329. The cubic root of 2156033 is about 129.1868973284.

The spelling of 2156033 in words is "two million, one hundred fifty-six thousand, thirty-three".

Divisors: 1 11 196003 2156033