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2229940869 = 313124945779
BaseRepresentation
bin1000010011101010…
…0011001010000101
312202102000201210120
42010322203022011
514031331101434
61005135212153
7106155120222
oct20472431205
95672021716
102229940869
11a4481a642
12522977059
13296cb5750
14172232949
15d0b83349
hex84ea3285

2229940869 has 16 divisors (see below), whose sum is σ = 3204600000. Its totient is φ = 1371142656.

The previous prime is 2229940861. The next prime is 2229940879. The reversal of 2229940869 is 9680499222.

It is not a de Polignac number, because 2229940869 - 23 = 2229940861 is a prime.

It is a super-2 number, since 2×22299408692 = 9945272558472950322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229940861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25822 + ... + 71600.

It is an arithmetic number, because the mean of its divisors is an integer number (200287500).

Almost surely, 22229940869 is an apocalyptic number.

It is an amenable number.

2229940869 is a deficient number, since it is larger than the sum of its proper divisors (974659131).

2229940869 is a wasteful number, since it uses less digits than its factorization.

2229940869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47044.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 2229940869 is about 47222.2497240443. The cubic root of 2229940869 is about 1306.4650084971.

The spelling of 2229940869 in words is "two billion, two hundred twenty-nine million, nine hundred forty thousand, eight hundred sixty-nine".

Divisors: 1 3 13 39 1249 3747 16237 45779 48711 137337 595127 1785381 57177971 171533913 743313623 2229940869