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1069728430 = 25106972843
BaseRepresentation
bin111111110000101…
…100001010101110
32202112212211112111
4333300230022232
54142322302210
6254051554234
735336353531
oct7760541256
92675784474
101069728430
114a9919891
1225a2bb97a
13140812204
14a20dca18
1563da688a
hex3fc2c2ae

1069728430 has 8 divisors (see below), whose sum is σ = 1925511192. Its totient is φ = 427891368.

The previous prime is 1069728427. The next prime is 1069728431. The reversal of 1069728430 is 348279601.

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

It is a super-2 number, since 2×10697284302 = 2288637827900529800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069728431) 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 3 ways as a sum of consecutive naturals, for example, 53486412 + ... + 53486431.

It is an arithmetic number, because the mean of its divisors is an integer number (240688899).

Almost surely, 21069728430 is an apocalyptic number.

1069728430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1069728430 is a deficient number, since it is larger than the sum of its proper divisors (855782762).

1069728430 is a wasteful number, since it uses less digits than its factorization.

1069728430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106972850.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1069728430 is about 32706.7031355959. The cubic root of 1069728430 is about 1022.7225835218.

The spelling of 1069728430 in words is "one billion, sixty-nine million, seven hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 106972843 213945686 534864215 1069728430