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2056237 = 19108223
BaseRepresentation
bin111110110000000101101
310212110121221
413312000231
51011244422
6112023341
723322601
oct7660055
93773557
102056237
111184977
12831b51
1356cc11
143b7501
152a93c7
hex1f602d

2056237 has 4 divisors (see below), whose sum is σ = 2164480. Its totient is φ = 1947996.

The previous prime is 2056211. The next prime is 2056247. The reversal of 2056237 is 7326502.

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 2056237 - 211 = 2054189 is a prime.

It is a super-2 number, since 2×20562372 = 8456221200338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54093 + ... + 54130.

It is an arithmetic number, because the mean of its divisors is an integer number (541120).

22056237 is an apocalyptic number.

It is an amenable number.

2056237 is a deficient number, since it is larger than the sum of its proper divisors (108243).

2056237 is a wasteful number, since it uses less digits than its factorization.

2056237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108242.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2056237 is about 1433.9585070705. The cubic root of 2056237 is about 127.1621093120.

The spelling of 2056237 in words is "two million, fifty-six thousand, two hundred thirty-seven".

Divisors: 1 19 108223 2056237