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147712047 = 3722213167
BaseRepresentation
bin10001100110111…
…10100000101111
3101021221112211120
420303132200233
5300303241142
622353552023
73442350240
oct1063364057
9337845746
10147712047
117641a27a
1241575613
13247aa6a2
1415890cc7
15ce7b7ec
hex8cde82f

147712047 has 16 divisors (see below), whose sum is σ = 225257472. Its totient is φ = 84342240.

The previous prime is 147712043. The next prime is 147712057. The reversal of 147712047 is 740217741.

147712047 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 147712047 - 22 = 147712043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147711999 and 147712017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147712043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45058 + ... + 48224.

It is an arithmetic number, because the mean of its divisors is an integer number (14078592).

Almost surely, 2147712047 is an apocalyptic number.

147712047 is a deficient number, since it is larger than the sum of its proper divisors (77545425).

147712047 is a wasteful number, since it uses less digits than its factorization.

147712047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 147712047 is about 12153.6845030633. The cubic root of 147712047 is about 528.6139731347.

Adding to 147712047 its reverse (740217741), we get a palindrome (887929788).

The spelling of 147712047 in words is "one hundred forty-seven million, seven hundred twelve thousand, forty-seven".

Divisors: 1 3 7 21 2221 3167 6663 9501 15547 22169 46641 66507 7033907 21101721 49237349 147712047