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3856984914 = 231944837547
BaseRepresentation
bin1110010111100100…
…1110101101010010
3100221210121010122010
43211321032231102
530344342004124
61434420323350
7164402554656
oct34571165522
910853533563
103856984914
1116aa192942
128b7843556
134960c9bc3
14288366a66
15178925529
hexe5e4eb52

3856984914 has 32 divisors (see below), whose sum is σ = 8122855680. Its totient is φ = 1217562192.

The previous prime is 3856984909. The next prime is 3856984919. The reversal of 3856984914 is 4194896583.

It is an interprime number because it is at equal distance from previous prime (3856984909) and next prime (3856984919).

It is a super-3 number, since 3×38569849143 (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3856984919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507289 + ... + 514835.

It is an arithmetic number, because the mean of its divisors is an integer number (253839240).

Almost surely, 23856984914 is an apocalyptic number.

3856984914 is an abundant number, since it is smaller than the sum of its proper divisors (4265870766).

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

3856984914 is a wasteful number, since it uses less digits than its factorization.

3856984914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054.

The product of its digits is 7464960, while the sum is 57.

The square root of 3856984914 is about 62104.6287646903. The cubic root of 3856984914 is about 1568.2524694229.

The spelling of 3856984914 in words is "three billion, eight hundred fifty-six million, nine hundred eighty-four thousand, nine hundred fourteen".

Divisors: 1 2 3 6 19 38 57 114 4483 7547 8966 13449 15094 22641 26898 45282 85177 143393 170354 255531 286786 430179 511062 860358 33833201 67666402 101499603 202999206 642830819 1285661638 1928492457 3856984914