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4742289 = 324571153
BaseRepresentation
bin10010000101110010010001
322220221012100
4102011302101
52203223124
6245351013
755210626
oct22056221
98827170
104742289
112749a52
121708469
13ca06b6
148b634d
1563a1c9
hex485c91

4742289 has 12 divisors (see below), whose sum is σ = 6870916. Its totient is φ = 3151872.

The previous prime is 4742279. The next prime is 4742317. The reversal of 4742289 is 9822474.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 810000 = 1983^2 + 900^2 .

It is not a de Polignac number, because 4742289 - 24 = 4742273 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3537 + ... + 4689.

Almost surely, 24742289 is an apocalyptic number.

It is an amenable number.

4742289 is a deficient number, since it is larger than the sum of its proper divisors (2128627).

4742289 is a wasteful number, since it uses less digits than its factorization.

4742289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616 (or 1613 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4742289 is about 2177.6797285184. The cubic root of 4742289 is about 168.0077589954.

The spelling of 4742289 in words is "four million, seven hundred forty-two thousand, two hundred eighty-nine".

Divisors: 1 3 9 457 1153 1371 3459 4113 10377 526921 1580763 4742289