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4742831 is a prime number
BaseRepresentation
bin10010000101111010101111
322220221221102
4102011322233
52203232311
6245353315
755212332
oct22057257
98827842
104742831
11274a3a5
12170883b
13ca0a12
148b6619
1563a43b
hex485eaf

4742831 has 2 divisors, whose sum is σ = 4742832. Its totient is φ = 4742830.

The previous prime is 4742827. The next prime is 4742861. The reversal of 4742831 is 1382474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4742831 - 22 = 4742827 is a prime.

It is a super-2 number, since 2×47428312 = 44988891789122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4742794 and 4742803.

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 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, 2371415 + 2371416.

It is an arithmetic number, because the mean of its divisors is an integer number (2371416).

Almost surely, 24742831 is an apocalyptic number.

4742831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742831 is an equidigital number, since it uses as much as digits as its factorization.

4742831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 4742831 is about 2177.8041693412. The cubic root of 4742831 is about 168.0141593319.

The spelling of 4742831 in words is "four million, seven hundred forty-two thousand, eight hundred thirty-one".