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2269427 = 2638629
BaseRepresentation
bin1000101010000011110011
311021022001212
420222003303
51040110202
6120350335
725201256
oct10520363
94238055
102269427
111310066
129153ab
13615c74
1443109d
152ec652
hex22a0f3

2269427 has 4 divisors (see below), whose sum is σ = 2278320. Its totient is φ = 2260536.

The previous prime is 2269409. The next prime is 2269429. The reversal of 2269427 is 7249622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7249622 = 23624811.

It is a cyclic number.

It is not a de Polignac number, because 2269427 - 28 = 2269171 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2269393 and 2269402.

It is not an unprimeable number, because it can be changed into a prime (2269429) 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, 4052 + ... + 4577.

It is an arithmetic number, because the mean of its divisors is an integer number (569580).

22269427 is an apocalyptic number.

2269427 is a deficient number, since it is larger than the sum of its proper divisors (8893).

2269427 is an equidigital number, since it uses as much as digits as its factorization.

2269427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892.

The product of its digits is 12096, while the sum is 32.

The square root of 2269427 is about 1506.4617486017. The cubic root of 2269427 is about 131.4131238596.

The spelling of 2269427 in words is "two million, two hundred sixty-nine thousand, four hundred twenty-seven".

Divisors: 1 263 8629 2269427