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4457237053 = 9974470649
BaseRepresentation
bin1000010011010110…
…00000101000111101
3102111122002002202211
410021223000220331
533112023041203
62014142020421
7215311614133
oct41153005075
912448062684
104457237053
111987aa3195
12a44877711
13560583499
14303d77753
151b1492c6d
hex109ac0a3d

4457237053 has 4 divisors (see below), whose sum is σ = 4461708700. Its totient is φ = 4452765408.

The previous prime is 4457237017. The next prime is 4457237087. The reversal of 4457237053 is 3507327544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3979464889 + 477772164 = 63083^2 + 21858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4457237053 is a prime.

It is a super-2 number, since 2×44572370532 = 39733924293272249618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4457236997 and 4457237015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457237453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234328 + ... + 2236321.

It is an arithmetic number, because the mean of its divisors is an integer number (1115427175).

Almost surely, 24457237053 is an apocalyptic number.

It is an amenable number.

4457237053 is a deficient number, since it is larger than the sum of its proper divisors (4471647).

4457237053 is an equidigital number, since it uses as much as digits as its factorization.

4457237053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471646.

The product of its (nonzero) digits is 352800, while the sum is 40.

The square root of 4457237053 is about 66762.5422898200. The cubic root of 4457237053 is about 1645.7173360954.

The spelling of 4457237053 in words is "four billion, four hundred fifty-seven million, two hundred thirty-seven thousand, fifty-three".

Divisors: 1 997 4470649 4457237053