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2874929 is a prime number
BaseRepresentation
bin1010111101111000110001
312102001122212
422331320301
51213444204
6141341505
733302501
oct12757061
95361585
102874929
111693a82
12b67895
13798755
1454ba01
153bbc6e
hex2bde31

2874929 has 2 divisors, whose sum is σ = 2874930. Its totient is φ = 2874928.

The previous prime is 2874917. The next prime is 2874941. The reversal of 2874929 is 9294782.

Added to its reverse (9294782) it gives a triangular number (12169711 = T4933).

It is a balanced prime because it is at equal distance from previous prime (2874917) and next prime (2874941).

It can be written as a sum of positive squares in only one way, i.e., 1620529 + 1254400 = 1273^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874929 - 28 = 2874673 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2874979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437464 + 1437465.

It is an arithmetic number, because the mean of its divisors is an integer number (1437465).

22874929 is an apocalyptic number.

It is an amenable number.

2874929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2874929 is an equidigital number, since it uses as much as digits as its factorization.

2874929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 2874929 is about 1695.5615588943. The cubic root of 2874929 is about 142.1921784638.

Adding to 2874929 its reverse (9294782), we get a triangular number (12169711 = T4933).

The spelling of 2874929 in words is "two million, eight hundred seventy-four thousand, nine hundred twenty-nine".