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1069940946 = 23811219881
BaseRepresentation
bin111111110001100…
…000000011010010
32202120021122001110
4333301200003102
54142401102241
6254100314150
735341230234
oct7761400322
92676248043
101069940946
114a9a54518
1225a3a2956
13140887b69
14a2156254
1563de9816
hex3fc600d2

1069940946 has 16 divisors (see below), whose sum is σ = 2142530208. Its totient is φ = 356205600.

The previous prime is 1069940941. The next prime is 1069940957. The reversal of 1069940946 is 6490499601.

It is a super-2 number, since 2×10699409462 = 2289547255854749832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1069940895 and 1069940904.

It is not an unprimeable number, because it can be changed into a prime (1069940941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105075 + ... + 114806.

It is an arithmetic number, because the mean of its divisors is an integer number (133908138).

Almost surely, 21069940946 is an apocalyptic number.

1069940946 is an abundant number, since it is smaller than the sum of its proper divisors (1072589262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1069940946 is a wasteful number, since it uses less digits than its factorization.

1069940946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220697.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 1069940946 is about 32709.9517884084. The cubic root of 1069940946 is about 1022.7903049220.

The spelling of 1069940946 in words is "one billion, sixty-nine million, nine hundred forty thousand, nine hundred forty-six".

Divisors: 1 2 3 6 811 1622 2433 4866 219881 439762 659643 1319286 178323491 356646982 534970473 1069940946