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4742557 is a prime number
BaseRepresentation
bin10010000101110110011101
322220221120021
4102011312131
52203230212
6245352141
755211461
oct22056635
98827507
104742557
11274a176
121708651
13ca0861
148b64a1
1563a307
hex485d9d

4742557 has 2 divisors, whose sum is σ = 4742558. Its totient is φ = 4742556.

The previous prime is 4742519. The next prime is 4742603. The reversal of 4742557 is 7552474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 1136356 = 1899^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 4742557 - 211 = 4740509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4742057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371278 + 2371279.

It is an arithmetic number, because the mean of its divisors is an integer number (2371279).

Almost surely, 24742557 is an apocalyptic number.

It is an amenable number.

4742557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742557 is an equidigital number, since it uses as much as digits as its factorization.

4742557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 34.

The square root of 4742557 is about 2177.7412610317. The cubic root of 4742557 is about 168.0109237984.

The spelling of 4742557 in words is "four million, seven hundred forty-two thousand, five hundred fifty-seven".