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2252147 = 8112777
BaseRepresentation
bin1000100101110101110011
311020102100212
420211311303
51034032042
6120134335
725100012
oct10456563
94212325
102252147
1112a9087
129073ab
1360b141
14428a79
152e7482
hex225d73

2252147 has 4 divisors (see below), whose sum is σ = 2255736. Its totient is φ = 2248560.

The previous prime is 2252113. The next prime is 2252149. The reversal of 2252147 is 7412522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2252147 - 28 = 2251891 is a prime.

It is a super-2 number, since 2×22521472 = 10144332219218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252149) 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, 578 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (563934).

22252147 is an apocalyptic number.

2252147 is a deficient number, since it is larger than the sum of its proper divisors (3589).

2252147 is an equidigital number, since it uses as much as digits as its factorization.

2252147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588.

The product of its digits is 1120, while the sum is 23.

The square root of 2252147 is about 1500.7154960218. The cubic root of 2252147 is about 131.0787359549.

Adding to 2252147 its reverse (7412522), we get a palindrome (9664669).

The spelling of 2252147 in words is "two million, two hundred fifty-two thousand, one hundred forty-seven".

Divisors: 1 811 2777 2252147