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834469945 = 51163143503
BaseRepresentation
bin110001101111010…
…000000000111001
32011011012110120021
4301233100000321
53202111014240
6214445330441
726451606661
oct6157200071
92134173507
10834469945
11399044691
121b3566a21
13103b615ca
147cb7d1a1
154d3d554a
hex31bd0039

834469945 has 8 divisors (see below), whose sum is σ = 1002231936. Its totient is φ = 666997296.

The previous prime is 834469943. The next prime is 834469957. The reversal of 834469945 is 549964438.

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

It is a cyclic number.

It is not a de Polignac number, because 834469945 - 21 = 834469943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 834469892 and 834469901.

It is not an unprimeable number, because it can be changed into a prime (834469943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65937 + ... + 77566.

It is an arithmetic number, because the mean of its divisors is an integer number (125278992).

Almost surely, 2834469945 is an apocalyptic number.

It is an amenable number.

834469945 is a deficient number, since it is larger than the sum of its proper divisors (167761991).

834469945 is a wasteful number, since it uses less digits than its factorization.

834469945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144671.

The product of its digits is 3732480, while the sum is 52.

The square root of 834469945 is about 28887.1934427698. The cubic root of 834469945 is about 941.4636715261.

The spelling of 834469945 in words is "eight hundred thirty-four million, four hundred sixty-nine thousand, nine hundred forty-five".

Divisors: 1 5 1163 5815 143503 717515 166893989 834469945