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2268929 = 13174533
BaseRepresentation
bin1000101001111100000001
311021021101102
420221330001
51040101204
6120344145
725166645
oct10517401
94237342
102268929
11130a753
12915055
13615980
14430c25
152ec41e
hex229f01

2268929 has 4 divisors (see below), whose sum is σ = 2443476. Its totient is φ = 2094384.

The previous prime is 2268919. The next prime is 2268941. The reversal of 2268929 is 9298622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9298622 = 24649311.

It can be written as a sum of positive squares in 2 ways, for example, as 883600 + 1385329 = 940^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268929 - 216 = 2203393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2268892 and 2268901.

It is not an unprimeable number, because it can be changed into a prime (2268919) 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, 87254 + ... + 87279.

It is an arithmetic number, because the mean of its divisors is an integer number (610869).

22268929 is an apocalyptic number.

It is an amenable number.

2268929 is a deficient number, since it is larger than the sum of its proper divisors (174547).

2268929 is a wasteful number, since it uses less digits than its factorization.

2268929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174546.

The product of its digits is 31104, while the sum is 38.

The square root of 2268929 is about 1506.2964515659. The cubic root of 2268929 is about 131.4035107835.

The spelling of 2268929 in words is "two million, two hundred sixty-eight thousand, nine hundred twenty-nine".

Divisors: 1 13 174533 2268929