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1069473285 = 32523766073
BaseRepresentation
bin111111101111101…
…101111000000101
32202112101212112200
4333233231320011
54142241121120
6254042305113
735334241626
oct7757557005
92675355480
101069473285
114a9765121
1225a1b8199
1314075303a
14a2073a4d
1563d55e90
hex3fbede05

1069473285 has 12 divisors (see below), whose sum is σ = 1853753772. Its totient is φ = 570385728.

The previous prime is 1069473259. The next prime is 1069473299. The reversal of 1069473285 is 5823749601.

1069473285 is digitally balanced in base 6 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 490445316 + 579027969 = 22146^2 + 24063^2 .

It is not a de Polignac number, because 1069473285 - 29 = 1069472773 is a prime.

It is a super-2 number, since 2×10694732852 = 2287546214657382450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 23766073 = 1069473285 / (1 + 0 + 6 + 9 + 4 + 7 + 3 + 2 + 8 + 5).

1069473285 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1069473285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11882992 + ... + 11883081.

It is an arithmetic number, because the mean of its divisors is an integer number (154479481).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1069473285 = 2138946570, but 3⋅1069473285 = 3208419855 is not.

Almost surely, 21069473285 is an apocalyptic number.

1069473285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1069473285 is a deficient number, since it is larger than the sum of its proper divisors (784280487).

1069473285 is a wasteful number, since it uses less digits than its factorization.

1069473285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23766084 (or 23766081 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1069473285 is about 32702.8024028523. The cubic root of 1069473285 is about 1022.6412659041.

The spelling of 1069473285 in words is "one billion, sixty-nine million, four hundred seventy-three thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 45 23766073 71298219 118830365 213894657 356491095 1069473285