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2266428 = 223188869
BaseRepresentation
bin1000101001010100111100
311021010221210
420221110330
51040011203
6120324420
725156443
oct10512474
94233853
102266428
11130888a
12913710
136147a8
1442dd5a
152eb803
hex22953c

2266428 has 12 divisors (see below), whose sum is σ = 5288360. Its totient is φ = 755472.

The previous prime is 2266427. The next prime is 2266447. The reversal of 2266428 is 8246622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 215 + 217 + 62 + 64 + 46 + 221 + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2266395 and 2266404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266427) 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, 94423 + ... + 94446.

22266428 is an apocalyptic number.

It is an amenable number.

2266428 is an abundant number, since it is smaller than the sum of its proper divisors (3021932).

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

2266428 is a wasteful number, since it uses less digits than its factorization.

2266428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188876 (or 188874 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 2266428 is about 1505.4660407993. The cubic root of 2266428 is about 131.3552117834.

The spelling of 2266428 in words is "two million, two hundred sixty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 188869 377738 566607 755476 1133214 2266428