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2196930399 = 32397328243
BaseRepresentation
bin1000001011110010…
…0111111101011111
312200002220121221120
42002330213331133
513444403233044
61001555502023
7105304412616
oct20274477537
95602817846
102196930399
11a28123364
125138b7913
132901c8421
1416babc87d
15ccd12519
hex82f27f5f

2196930399 has 16 divisors (see below), whose sum is σ = 3088119552. Its totient is φ = 1386494208.

The previous prime is 2196930371. The next prime is 2196930419. The reversal of 2196930399 is 9930396912.

It is a happy number.

It is not a de Polignac number, because 2196930399 - 25 = 2196930367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196930199) 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, 157429 + ... + 170814.

It is an arithmetic number, because the mean of its divisors is an integer number (193007472).

Almost surely, 22196930399 is an apocalyptic number.

2196930399 is a deficient number, since it is larger than the sum of its proper divisors (891189153).

2196930399 is a wasteful number, since it uses less digits than its factorization.

2196930399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328366.

The product of its (nonzero) digits is 708588, while the sum is 51.

The square root of 2196930399 is about 46871.4241196062. The cubic root of 2196930399 is about 1299.9862718471.

The spelling of 2196930399 in words is "two billion, one hundred ninety-six million, nine hundred thirty thousand, three hundred ninety-nine".

Divisors: 1 3 23 69 97 291 2231 6693 328243 984729 7549589 22648767 31839571 95518713 732310133 2196930399