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2247913 is a prime number
BaseRepresentation
bin1000100100110011101001
311020012120001
420210303221
51033413123
6120103001
725051453
oct10446351
94205501
102247913
1112a5988
12904a61
13609235
144272d3
152e60ad
hex224ce9

2247913 has 2 divisors, whose sum is σ = 2247914. Its totient is φ = 2247912.

The previous prime is 2247901. The next prime is 2247919. The reversal of 2247913 is 3197422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 310249 = 1392^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247913 - 25 = 2247881 is a prime.

It is a super-2 number, since 2×22479132 = 10106225711138, which contains 22 as substring.

2247913 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2247919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123956 + 1123957.

It is an arithmetic number, because the mean of its divisors is an integer number (1123957).

22247913 is an apocalyptic number.

It is an amenable number.

2247913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247913 is an equidigital number, since it uses as much as digits as its factorization.

2247913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 2247913 is about 1499.3041719411. The cubic root of 2247913 is about 130.9965424568.

It can be divided in two parts, 2247 and 913, that added together give a triangular number (3160 = T79).

The spelling of 2247913 in words is "two million, two hundred forty-seven thousand, nine hundred thirteen".