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2170674045 = 38566169
BaseRepresentation
bin1000000101100001…
…1101101101111101
312121021111200000000
42001120131231331
513421143032140
6555221024513
7104535265521
oct20130355575
95537450000
102170674045
11a1431a5a1
12506b55139
13287934417
14168405d81
15ca877a30
hex8161db7d

2170674045 has 36 divisors (see below), whose sum is σ = 3907073820. Its totient is φ = 1157675328.

The previous prime is 2170674043. The next prime is 2170674047. The reversal of 2170674045 is 5404760712.

It is an interprime number because it is at equal distance from previous prime (2170674043) and next prime (2170674047).

It can be written as a sum of positive squares in 2 ways, for example, as 917726436 + 1252947609 = 30294^2 + 35397^2 .

It is not a de Polignac number, because 2170674045 - 21 = 2170674043 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170674043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 280 + ... + 65889.

Almost surely, 22170674045 is an apocalyptic number.

It is an amenable number.

2170674045 is a deficient number, since it is larger than the sum of its proper divisors (1736399775).

2170674045 is an frugal number, since it uses more digits than its factorization.

2170674045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66198 (or 66177 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2170674045 is about 46590.4930753045. The cubic root of 2170674045 is about 1294.7866247531.

The spelling of 2170674045 in words is "two billion, one hundred seventy million, six hundred seventy-four thousand, forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 2187 3645 6561 10935 32805 66169 198507 330845 595521 992535 1786563 2977605 5359689 8932815 16079067 26798445 48237201 80395335 144711603 241186005 434134809 723558015 2170674045