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1069396829 = 3728902617
BaseRepresentation
bin111111101111011…
…011001101011101
32202112020222122222
4333233123031131
54142231144304
6254040515125
735333503004
oct7757331535
92675228588
101069396829
114a9712736
1225a17baa5
131407272b7
14a2053c3b
1563d3d4be
hex3fbdb35d

1069396829 has 4 divisors (see below), whose sum is σ = 1098299484. Its totient is φ = 1040494176.

The previous prime is 1069396813. The next prime is 1069396873. The reversal of 1069396829 is 9286939601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9286939601 = 69111343791.

It can be written as a sum of positive squares in 2 ways, for example, as 536848900 + 532547929 = 23170^2 + 23077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069396829 - 24 = 1069396813 is a prime.

It is a super-2 number, since 2×10693968292 = 2287219155750510482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069396879) 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, 14451272 + ... + 14451345.

It is an arithmetic number, because the mean of its divisors is an integer number (274574871).

Almost surely, 21069396829 is an apocalyptic number.

It is an amenable number.

1069396829 is a deficient number, since it is larger than the sum of its proper divisors (28902655).

1069396829 is an equidigital number, since it uses as much as digits as its factorization.

1069396829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28902654.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 1069396829 is about 32701.6334301515. The cubic root of 1069396829 is about 1022.6168959876.

The spelling of 1069396829 in words is "one billion, sixty-nine million, three hundred ninety-six thousand, eight hundred twenty-nine".

Divisors: 1 37 28902617 1069396829