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2972939 is a prime number
BaseRepresentation
bin1011010101110100001011
312121001002212
423111310023
51230113224
6143415335
734161314
oct13256413
95531085
102972939
111750682
12bb454b
13801248
1457560b
153dad0e
hex2d5d0b

2972939 has 2 divisors, whose sum is σ = 2972940. Its totient is φ = 2972938.

The previous prime is 2972903. The next prime is 2972947. The reversal of 2972939 is 9392792.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2972939 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2972896 and 2972905.

It is not a weakly prime, because it can be changed into another prime (2972969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486469 + 1486470.

It is an arithmetic number, because the mean of its divisors is an integer number (1486470).

22972939 is an apocalyptic number.

2972939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972939 is an equidigital number, since it uses as much as digits as its factorization.

2972939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 2972939 is about 1724.2212735029. The cubic root of 2972939 is about 143.7899941648.

The spelling of 2972939 in words is "two million, nine hundred seventy-two thousand, nine hundred thirty-nine".