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2772997 is a prime number
BaseRepresentation
bin1010100101000000000101
312012212211121
422211000011
51202213442
6135233541
732366353
oct12450005
95185747
102772997
111624437
12b188b1
13761236
145227d3
1539b967
hex2a5005

2772997 has 2 divisors, whose sum is σ = 2772998. Its totient is φ = 2772996.

The previous prime is 2772977. The next prime is 2773003. The reversal of 2772997 is 7992772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2669956 + 103041 = 1634^2 + 321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2772997 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386498 + 1386499.

It is an arithmetic number, because the mean of its divisors is an integer number (1386499).

22772997 is an apocalyptic number.

It is an amenable number.

2772997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772997 is an equidigital number, since it uses as much as digits as its factorization.

2772997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 43.

The square root of 2772997 is about 1665.2318156941. The cubic root of 2772997 is about 140.4914192908.

The spelling of 2772997 in words is "two million, seven hundred seventy-two thousand, nine hundred ninety-seven".