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147230056 = 2318403757
BaseRepresentation
bin10001100011010…
…00110101101000
3101021001001200001
420301220311220
5300142330211
622335352344
73435302101
oct1061506550
9337031601
10147230056
1176120136
12413826b4
132466c19c
14157a73a8
15cdd3ac1
hex8c68d68

147230056 has 8 divisors (see below), whose sum is σ = 276056370. Its totient is φ = 73615024.

The previous prime is 147230053. The next prime is 147230063. The reversal of 147230056 is 650032741.

It can be written as a sum of positive squares in only one way, i.e., 131469156 + 15760900 = 11466^2 + 3970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (147230053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9201871 + ... + 9201886.

Almost surely, 2147230056 is an apocalyptic number.

It is an amenable number.

147230056 is a deficient number, since it is larger than the sum of its proper divisors (128826314).

147230056 is a wasteful number, since it uses less digits than its factorization.

147230056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403763 (or 18403759 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 147230056 is about 12133.8392934800. The cubic root of 147230056 is about 528.0383829611.

Adding to 147230056 its reverse (650032741), we get a palindrome (797262797).

The spelling of 147230056 in words is "one hundred forty-seven million, two hundred thirty thousand, fifty-six".

Divisors: 1 2 4 8 18403757 36807514 73615028 147230056