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147057489 = 3216339721
BaseRepresentation
bin10001100001111…
…10101101010001
3101020201021221200
420300332231101
5300121314424
622331541413
73433653015
oct1060765521
9336637850
10147057489
1176012517
12412ba869
132460b787
1415760545
15cd9c8c9
hex8c3eb51

147057489 has 6 divisors (see below), whose sum is σ = 212416386. Its totient is φ = 98038320.

The previous prime is 147057479. The next prime is 147057503. The reversal of 147057489 is 984750741.

It is a happy number.

147057489 is a `hidden beast` number, since 1 + 4 + 70 + 574 + 8 + 9 = 666.

147057489 is digitally balanced in base 2, 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 only one way, i.e., 87890625 + 59166864 = 9375^2 + 7692^2 .

It is not a de Polignac number, because 147057489 - 28 = 147057233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147057419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8169852 + ... + 8169869.

It is an arithmetic number, because the mean of its divisors is an integer number (35402731).

Almost surely, 2147057489 is an apocalyptic number.

It is an amenable number.

147057489 is a deficient number, since it is larger than the sum of its proper divisors (65358897).

147057489 is a wasteful number, since it uses less digits than its factorization.

147057489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16339727 (or 16339724 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 147057489 is about 12126.7262276346. The cubic root of 147057489 is about 527.8319993227.

The spelling of 147057489 in words is "one hundred forty-seven million, fifty-seven thousand, four hundred eighty-nine".

Divisors: 1 3 9 16339721 49019163 147057489