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3805397652 = 2237173326141
BaseRepresentation
bin1110001011010001…
…1100001010010100
3100211012112020012210
43202310130022110
530243140211102
61425334513420
7163205226540
oct34264341224
910735466183
103805397652
111683058641
128a2505870
134885071b4
14281578a20
1517413536c
hexe2d1c294

3805397652 has 48 divisors (see below), whose sum is σ = 10153971072. Its totient is φ = 1086587520.

The previous prime is 3805397621. The next prime is 3805397669. The reversal of 3805397652 is 2567935083.

It is a happy number.

It is a super-2 number, since 2×38053976522 = 28962102579694226208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132502 + ... + 158642.

It is an arithmetic number, because the mean of its divisors is an integer number (211541064).

Almost surely, 23805397652 is an apocalyptic number.

It is an amenable number.

3805397652 is an abundant number, since it is smaller than the sum of its proper divisors (6348573420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3805397652 is a wasteful number, since it uses less digits than its factorization.

3805397652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27888 (or 27886 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 3805397652 is about 61687.9052327115. The cubic root of 3805397652 is about 1561.2292595732.

The spelling of 3805397652 in words is "three billion, eight hundred five million, three hundred ninety-seven thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1733 3466 5199 6932 10398 12131 20796 24262 26141 36393 48524 52282 72786 78423 104564 145572 156846 182987 313692 365974 548961 731948 1097922 2195844 45302353 90604706 135907059 181209412 271814118 317116471 543628236 634232942 951349413 1268465884 1902698826 3805397652