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4490069257 = 171491772629
BaseRepresentation
bin1000010111010000…
…10000010100001001
3102120220212011002101
410023220100110021
533143424204012
62021313433401
7216160646632
oct41350202411
912526764071
104490069257
1119a4588543
12a5386b861
1356730a61b
14308482889
151b42cad57
hex10ba10509

4490069257 has 8 divisors (see below), whose sum is σ = 4786101000. Its totient is φ = 4197583104.

The previous prime is 4490069249. The next prime is 4490069263. The reversal of 4490069257 is 7529600944.

4490069257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 739241721 + 3750827536 = 27189^2 + 61244^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4490069257 - 23 = 4490069249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4490669257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883782 + ... + 888847.

It is an arithmetic number, because the mean of its divisors is an integer number (598262625).

Almost surely, 24490069257 is an apocalyptic number.

It is an amenable number.

4490069257 is a deficient number, since it is larger than the sum of its proper divisors (296031743).

4490069257 is a wasteful number, since it uses less digits than its factorization.

4490069257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772795.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 4490069257 is about 67007.9790547365. The cubic root of 4490069257 is about 1649.7482636460.

The spelling of 4490069257 in words is "four billion, four hundred ninety million, sixty-nine thousand, two hundred fifty-seven".

Divisors: 1 17 149 2533 1772629 30134693 264121721 4490069257