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2028113 = 3165423
BaseRepresentation
bin111101111001001010001
310211001001022
413233021101
51004344423
6111245225
723144603
oct7571121
93731038
102028113
11116582a
12819815
13560189
143ab173
152a0dc8
hex1ef251

2028113 has 4 divisors (see below), whose sum is σ = 2093568. Its totient is φ = 1962660.

The previous prime is 2028109. The next prime is 2028119. The reversal of 2028113 is 3118202.

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 2028113 - 22 = 2028109 is a prime.

It is a super-2 number, since 2×20281132 = 8226484681538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2028091 and 2028100.

It is not an unprimeable number, because it can be changed into a prime (2028119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32681 + ... + 32742.

It is an arithmetic number, because the mean of its divisors is an integer number (523392).

22028113 is an apocalyptic number.

It is an amenable number.

2028113 is a deficient number, since it is larger than the sum of its proper divisors (65455).

2028113 is an equidigital number, since it uses as much as digits as its factorization.

2028113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65454.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2028113 is about 1424.1183237358. The cubic root of 2028113 is about 126.5796963780.

The spelling of 2028113 in words is "two million, twenty-eight thousand, one hundred thirteen".

Divisors: 1 31 65423 2028113