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1992289034 = 21019862817
BaseRepresentation
bin111011010111111…
…1110101100001010
312010211211202202202
41312233332230022
513040011222114
6525405400202
7100241114561
oct16657765412
95124752682
101992289034
1193266026a
12477269062
132599a7668
1414c84cbd8
15b9d8ccde
hex76bfeb0a

1992289034 has 8 divisors (see below), whose sum is σ = 3018022308. Its totient is φ = 986281600.

The previous prime is 1992289021. The next prime is 1992289037. The reversal of 1992289034 is 4309822991.

It can be written as a sum of positive squares in 2 ways, for example, as 1592409025 + 399880009 = 39905^2 + 19997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1992289034.

It is not an unprimeable number, because it can be changed into a prime (1992289037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931207 + ... + 4931610.

Almost surely, 21992289034 is an apocalyptic number.

1992289034 is a deficient number, since it is larger than the sum of its proper divisors (1025733274).

1992289034 is a wasteful number, since it uses less digits than its factorization.

1992289034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862920.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1992289034 is about 44635.0650722053. The cubic root of 1992289034 is about 1258.2997630953.

The spelling of 1992289034 in words is "one billion, nine hundred ninety-two million, two hundred eighty-nine thousand, thirty-four".

Divisors: 1 2 101 202 9862817 19725634 996144517 1992289034