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3474307809 = 3572431677
BaseRepresentation
bin1100111100010101…
…1011101011100001
322222010112010100000
43033011123223201
524103410322214
61332430250213
7152045062200
oct31705335341
98863463300
103474307809
111523179975
1280b656969
13434a4234b
1424d5d1237
15155034809
hexcf15bae1

3474307809 has 72 divisors (see below), whose sum is σ = 6077006208. Its totient is φ = 1977786720.

The previous prime is 3474307789. The next prime is 3474307813. The reversal of 3474307809 is 9087034743.

It is a happy number.

It is not a de Polignac number, because 3474307809 - 211 = 3474305761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3474307819) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5131579 + ... + 5132255.

It is an arithmetic number, because the mean of its divisors is an integer number (84402864).

Almost surely, 23474307809 is an apocalyptic number.

It is an amenable number.

3474307809 is a deficient number, since it is larger than the sum of its proper divisors (2602698399).

3474307809 is an equidigital number, since it uses as much as digits as its factorization.

3474307809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 3474307809 is about 58943.2592329267. The cubic root of 3474307809 is about 1514.5702810265.

The spelling of 3474307809 in words is "three billion, four hundred seventy-four million, three hundred seven thousand, eight hundred nine".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 243 431 441 567 677 1293 1323 1701 2031 3017 3879 3969 4739 6093 9051 11637 11907 14217 18279 21119 27153 33173 34911 42651 54837 63357 81459 99519 104733 127953 164511 190071 244377 291787 298557 383859 570213 733131 875361 895671 1151577 1710639 2042509 2626083 2687013 5131917 6127527 7878249 8061039 14297563 18382581 23634747 42892689 55147743 70904241 128678067 165443229 386034201 496329687 1158102603 3474307809