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1369280072 = 23676913697
BaseRepresentation
bin101000110011101…
…1000111001001000
310112102112122010202
41101213120321020
510301013430242
6343512231332
745634455116
oct12147307110
93472478122
101369280072
11642a17426
1232269b548
1318a8b3bc4
14cdbd6ab6
1580327932
hex519d8e48

1369280072 has 32 divisors (see below), whose sum is σ = 2610196320. Its totient is φ = 673263360.

The previous prime is 1369280063. The next prime is 1369280119. The reversal of 1369280072 is 2700829631.

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, 368528 + ... + 372224.

It is an arithmetic number, because the mean of its divisors is an integer number (81568635).

Almost surely, 21369280072 is an apocalyptic number.

It is an amenable number.

1369280072 is a deficient number, since it is larger than the sum of its proper divisors (1240916248).

1369280072 is a wasteful number, since it uses less digits than its factorization.

1369280072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1369280072 is about 37003.7845632038. The cubic root of 1369280072 is about 1110.4459620793.

The spelling of 1369280072 in words is "one billion, three hundred sixty-nine million, two hundred eighty thousand, seventy-two".

Divisors: 1 2 4 8 67 134 268 536 691 1382 2764 3697 5528 7394 14788 29576 46297 92594 185188 247699 370376 495398 990796 1981592 2554627 5109254 10218508 20437016 171160009 342320018 684640036 1369280072