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1349685844 = 221338636719
BaseRepresentation
bin101000001110010…
…1001001001010100
310111001200010220121
41100130221021110
510231004421334
6341532241324
745306066103
oct12034511124
93431603817
101349685844
11632953a51
12318010244
131868133a0
14cb37603a
157d756db4
hex50729254

1349685844 has 24 divisors (see below), whose sum is σ = 2544675840. Its totient is φ = 622677984.

The previous prime is 1349685797. The next prime is 1349685853. The reversal of 1349685844 is 4485869431.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 1349685791 and 1349685800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197517 + ... + 204235.

It is an arithmetic number, because the mean of its divisors is an integer number (106028160).

Almost surely, 21349685844 is an apocalyptic number.

It is an amenable number.

1349685844 is a deficient number, since it is larger than the sum of its proper divisors (1194989996).

1349685844 is a wasteful number, since it uses less digits than its factorization.

1349685844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10599 (or 10597 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 1349685844 is about 36738.0707713402. The cubic root of 1349685844 is about 1105.1237125264.

The spelling of 1349685844 in words is "one billion, three hundred forty-nine million, six hundred eighty-five thousand, eight hundred forty-four".

Divisors: 1 2 4 13 26 52 3863 6719 7726 13438 15452 26876 50219 87347 100438 174694 200876 349388 25955497 51910994 103821988 337421461 674842922 1349685844