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2990957 is a prime number
BaseRepresentation
bin1011011010001101101101
312121221211012
423122031231
51231202312
6144035005
734264664
oct13321555
95557735
102990957
111763172
121002a65
138094c8
1457bddb
153e1322
hex2da36d

2990957 has 2 divisors, whose sum is σ = 2990958. Its totient is φ = 2990956.

The previous prime is 2990941. The next prime is 2990983. The reversal of 2990957 is 7590992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2979076 + 11881 = 1726^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2990957 - 24 = 2990941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2990917) 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, 1495478 + 1495479.

It is an arithmetic number, because the mean of its divisors is an integer number (1495479).

22990957 is an apocalyptic number.

It is an amenable number.

2990957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990957 is an equidigital number, since it uses as much as digits as its factorization.

2990957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 2990957 is about 1729.4383481350. The cubic root of 2990957 is about 144.0798971482.

The spelling of 2990957 in words is "two million, nine hundred ninety thousand, nine hundred fifty-seven".