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2247149 = 191011171
BaseRepresentation
bin1000100100100111101101
311020011111202
420210213231
51033402044
6120055245
725046312
oct10444755
94204452
102247149
1112a5353
12904525
13608a98
14426d09
152e5c4e
hex2249ed

2247149 has 8 divisors (see below), whose sum is σ = 2390880. Its totient is φ = 2106000.

The previous prime is 2247143. The next prime is 2247163. The reversal of 2247149 is 9417422.

2247149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2247149 - 212 = 2243053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334 + ... + 2504.

It is an arithmetic number, because the mean of its divisors is an integer number (298860).

22247149 is an apocalyptic number.

It is an amenable number.

2247149 is a deficient number, since it is larger than the sum of its proper divisors (143731).

2247149 is a wasteful number, since it uses less digits than its factorization.

2247149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 4032, while the sum is 29.

The square root of 2247149 is about 1499.0493654313. The cubic root of 2247149 is about 130.9817001417.

The spelling of 2247149 in words is "two million, two hundred forty-seven thousand, one hundred forty-nine".

Divisors: 1 19 101 1171 1919 22249 118271 2247149