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3386478381 = 3111310972421
BaseRepresentation
bin1100100111011001…
…1000111100101101
322202000020221000020
43021312120330231
523413414302011
61320011552353
7146630406546
oct31166307455
98660227006
103386478381
111488640370
127a615b6b9
1341c7a0380
14241a8b4cd
1514c486006
hexc9d98f2d

3386478381 has 32 divisors (see below), whose sum is σ = 5353434240. Its totient is φ = 1877126400.

The previous prime is 3386478343. The next prime is 3386478397. The reversal of 3386478381 is 1838746833.

It is not a de Polignac number, because 3386478381 - 29 = 3386477869 is a prime.

It is a super-2 number, since 2×33864783812 = 22936471649960762322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3386478311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10551 + ... + 82971.

It is an arithmetic number, because the mean of its divisors is an integer number (167294820).

Almost surely, 23386478381 is an apocalyptic number.

It is an amenable number.

3386478381 is a deficient number, since it is larger than the sum of its proper divisors (1966955859).

3386478381 is a wasteful number, since it uses less digits than its factorization.

3386478381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72557.

The product of its digits is 2322432, while the sum is 51.

The square root of 3386478381 is about 58193.4565135978. The cubic root of 3386478381 is about 1501.6985767209.

The spelling of 3386478381 in words is "three billion, three hundred eighty-six million, four hundred seventy-eight thousand, three hundred eighty-one".

Divisors: 1 3 11 13 33 39 109 143 327 429 1199 1417 3597 4251 15587 46761 72421 217263 796631 941473 2389893 2824419 7893889 10356203 23681667 31068609 86832779 102620557 260498337 307861671 1128826127 3386478381