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2129474230 = 2513177912197
BaseRepresentation
bin111111011101101…
…0011001010110110
312111101222111110221
41332323103022312
513330121133410
6551150004554
7103525142452
oct17673231266
95441874427
102129474230
119a303a564
124b51a675a
1327c23a730
14162b5d662
15c6e3a4da
hex7eed32b6

2129474230 has 64 divisors (see below), whose sum is σ = 4426410240. Its totient is φ = 730589184.

The previous prime is 2129474201. The next prime is 2129474233. The reversal of 2129474230 is 324749212.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129474233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168492 + ... + 180688.

It is an arithmetic number, because the mean of its divisors is an integer number (69162660).

Almost surely, 22129474230 is an apocalyptic number.

2129474230 is an abundant number, since it is smaller than the sum of its proper divisors (2296936010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2129474230 is a wasteful number, since it uses less digits than its factorization.

2129474230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12313.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2129474230 is about 46146.2266063001. The cubic root of 2129474230 is about 1286.5424769245.

The spelling of 2129474230 in words is "two billion, one hundred twenty-nine million, four hundred seventy-four thousand, two hundred thirty".

Divisors: 1 2 5 10 13 17 26 34 65 79 85 130 158 170 221 395 442 790 1027 1105 1343 2054 2210 2686 5135 6715 10270 12197 13430 17459 24394 34918 60985 87295 121970 158561 174590 207349 317122 414698 792805 963563 1036745 1585610 1927126 2073490 2695537 4817815 5391074 9635630 12526319 13477685 16380571 25052638 26955370 32761142 62631595 81902855 125263190 163805710 212947423 425894846 1064737115 2129474230