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1029343449 = 31923785159
BaseRepresentation
bin111101010110101…
…000100011011001
32122201220001202110
4331112220203121
54102002442244
6250050222533
734336163211
oct7526504331
92581801673
101029343449
11489045a72
12248884a49
13135342384
149a9c9241
156057a9b9
hex3d5a88d9

1029343449 has 16 divisors (see below), whose sum is σ = 1507507200. Its totient is φ = 621845136.

The previous prime is 1029343433. The next prime is 1029343451. The reversal of 1029343449 is 9443439201.

It is not a de Polignac number, because 1029343449 - 24 = 1029343433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1029343409) 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, 391269 + ... + 393890.

It is an arithmetic number, because the mean of its divisors is an integer number (94219200).

Almost surely, 21029343449 is an apocalyptic number.

1029343449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1029343449 is a deficient number, since it is larger than the sum of its proper divisors (478163751).

1029343449 is a wasteful number, since it uses less digits than its factorization.

1029343449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785204.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1029343449 is about 32083.3827549403. The cubic root of 1029343449 is about 1009.6870085288.

The spelling of 1029343449 in words is "one billion, twenty-nine million, three hundred forty-three thousand, four hundred forty-nine".

Divisors: 1 3 19 23 57 69 437 1311 785159 2355477 14918021 18058657 44754063 54175971 343114483 1029343449