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2272931 is a prime number
BaseRepresentation
bin1000101010111010100011
311021110212122
420222322203
51040213211
6120414455
725214423
oct10527243
94243778
102272931
111312761
1291742b
1361773b
14432483
152ed6db
hex22aea3

2272931 has 2 divisors, whose sum is σ = 2272932. Its totient is φ = 2272930.

The previous prime is 2272903. The next prime is 2272939. The reversal of 2272931 is 1392722.

2272931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2272931 is a prime.

It is a super-2 number, since 2×22729312 = 10332430661522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2272931.

It is not a weakly prime, because it can be changed into another prime (2272939) 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 as a sum of consecutive naturals, namely, 1136465 + 1136466.

It is an arithmetic number, because the mean of its divisors is an integer number (1136466).

22272931 is an apocalyptic number.

2272931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272931 is an equidigital number, since it uses as much as digits as its factorization.

2272931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 2272931 is about 1507.6242900670. The cubic root of 2272931 is about 131.4807231257.

The spelling of 2272931 in words is "two million, two hundred seventy-two thousand, nine hundred thirty-one".