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2028396 = 223433931
BaseRepresentation
bin111101111001101101100
310211001102210
413233031230
51004402041
6111250420
723145456
oct7571554
93731383
102028396
111165a67
12819a10
13560346
143ab2d6
152a1016
hex1ef36c

2028396 has 24 divisors (see below), whose sum is σ = 4844224. Its totient is φ = 660240.

The previous prime is 2028391. The next prime is 2028401. The reversal of 2028396 is 6938202.

It is an interprime number because it is at equal distance from previous prime (2028391) and next prime (2028401).

It is a super-2 number, since 2×20283962 = 8228780665632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2028391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450 + ... + 2481.

22028396 is an apocalyptic number.

It is an amenable number.

2028396 is an abundant number, since it is smaller than the sum of its proper divisors (2815828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2028396 is a wasteful number, since it uses less digits than its factorization.

2028396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2028396 is about 1424.2176799914. The cubic root of 2028396 is about 126.5855836877.

The spelling of 2028396 in words is "two million, twenty-eight thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 3931 7862 11793 15724 23586 47172 169033 338066 507099 676132 1014198 2028396