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2979479 is a prime number
BaseRepresentation
bin1011010111011010010111
312121101002002
423113122113
51230320404
6143505515
734216346
oct13273227
95541062
102979479
111755588
12bb829b
13804209
14577b5d
153dcc1e
hex2d7697

2979479 has 2 divisors, whose sum is σ = 2979480. Its totient is φ = 2979478.

The previous prime is 2979469. The next prime is 2979491. The reversal of 2979479 is 9749792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2979479 - 24 = 2979463 is a prime.

It is a super-2 number, since 2×29794792 = 17754590222882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2979419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489739 + 1489740.

It is an arithmetic number, because the mean of its divisors is an integer number (1489740).

22979479 is an apocalyptic number.

2979479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979479 is an equidigital number, since it uses as much as digits as its factorization.

2979479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 2979479 is about 1726.1167399686. The cubic root of 2979479 is about 143.8953554291.

The spelling of 2979479 in words is "two million, nine hundred seventy-nine thousand, four hundred seventy-nine".