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1369685852 = 221741491279
BaseRepresentation
bin101000110100011…
…1011111101011100
310112110022020202122
41101220323331130
510301114421402
6343525042112
745641065133
oct12150737534
93473266678
101369685852
11643174287
12322856338
1318a9c6802
14cdca091a
15803a7ca2
hex51a3bf5c

1369685852 has 24 divisors (see below), whose sum is σ = 2599853760. Its totient is φ = 628835840.

The previous prime is 1369685839. The next prime is 1369685873. The reversal of 1369685852 is 2585869631.

It is a junction number, because it is equal to n+sod(n) for n = 1369685794 and 1369685803.

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, 242852 + ... + 248427.

It is an arithmetic number, because the mean of its divisors is an integer number (108327240).

Almost surely, 21369685852 is an apocalyptic number.

It is an amenable number.

1369685852 is a deficient number, since it is larger than the sum of its proper divisors (1230167908).

1369685852 is a wasteful number, since it uses less digits than its factorization.

1369685852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491341 (or 491339 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The square root of 1369685852 is about 37009.2671097389. The cubic root of 1369685852 is about 1110.5556431368. Note that the first 3 decimals are identical.

The spelling of 1369685852 in words is "one billion, three hundred sixty-nine million, six hundred eighty-five thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 34 41 68 82 164 697 1394 2788 491279 982558 1965116 8351743 16703486 20142439 33406972 40284878 80569756 342421463 684842926 1369685852