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1949972332 = 2271123812659
BaseRepresentation
bin111010000111010…
…0011011101101100
312000220012212011111
41310032203131230
512443143103312
6521254401404
766215330350
oct16416433554
95026185144
101949972332
11910788090
12465060264
13250cac4a9
14146d95460
15b62ce8a7
hex743a376c

1949972332 has 48 divisors (see below), whose sum is σ = 4257872640. Its totient is φ = 759124800.

The previous prime is 1949972317. The next prime is 1949972333. The reversal of 1949972332 is 2332799491.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1949972333) 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 15 ways as a sum of consecutive naturals, for example, 732019 + ... + 734677.

It is an arithmetic number, because the mean of its divisors is an integer number (88705680).

Almost surely, 21949972332 is an apocalyptic number.

It is an amenable number.

1949972332 is an abundant number, since it is smaller than the sum of its proper divisors (2307900308).

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

1949972332 is a wasteful number, since it uses less digits than its factorization.

1949972332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062 (or 5060 counting only the distinct ones).

The product of its digits is 734832, while the sum is 49.

The square root of 1949972332 is about 44158.4910521182. The cubic root of 1949972332 is about 1249.3270686224.

The spelling of 1949972332 in words is "one billion, nine hundred forty-nine million, nine hundred seventy-two thousand, three hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 2381 2659 4762 5318 9524 10636 16667 18613 26191 29249 33334 37226 52382 58498 66668 74452 104764 116996 183337 204743 366674 409486 733348 818972 6331079 12662158 25324316 44317553 69641869 88635106 139283738 177270212 278567476 487493083 974986166 1949972332