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4742861 is a prime number
BaseRepresentation
bin10010000101111011001101
322220221222112
4102011323031
52203232421
6245353405
755212404
oct22057315
98827875
104742861
11274a422
121708865
13ca0a36
148b663b
1563a45b
hex485ecd

4742861 has 2 divisors, whose sum is σ = 4742862. Its totient is φ = 4742860.

The previous prime is 4742831. The next prime is 4742873. The reversal of 4742861 is 1682474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3587236 + 1155625 = 1894^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 4742861 - 210 = 4741837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4742821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371430 + 2371431.

It is an arithmetic number, because the mean of its divisors is an integer number (2371431).

Almost surely, 24742861 is an apocalyptic number.

It is an amenable number.

4742861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742861 is an equidigital number, since it uses as much as digits as its factorization.

4742861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 4742861 is about 2177.8110570020. The cubic root of 4742861 is about 168.0145135798.

The spelling of 4742861 in words is "four million, seven hundred forty-two thousand, eight hundred sixty-one".