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3890819468 = 2219233219721
BaseRepresentation
bin1110011111101001…
…0011000110001100
3101001011021002220202
43213322103012030
530432022210333
61442025433032
7165263263664
oct34772230614
911034232822
103890819468
1117172a2288
1290703b778
134a0115353
1428ca531a4
1517b8aa5e8
hexe7e9318c

3890819468 has 24 divisors (see below), whose sum is σ = 7198092720. Its totient is φ = 1835101440.

The previous prime is 3890819467. The next prime is 3890819509. The reversal of 3890819468 is 8649180983.

It is a super-2 number, since 2×38908194682 = 30276952265135606048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3890819467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92153 + ... + 127568.

It is an arithmetic number, because the mean of its divisors is an integer number (299920530).

Almost surely, 23890819468 is an apocalyptic number.

3890819468 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3890819468 is a deficient number, since it is larger than the sum of its proper divisors (3307273252).

3890819468 is a wasteful number, since it uses less digits than its factorization.

3890819468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219977 (or 219975 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 3890819468 is about 62376.4335947479. The cubic root of 3890819468 is about 1572.8248422401.

The spelling of 3890819468 in words is "three billion, eight hundred ninety million, eight hundred nineteen thousand, four hundred sixty-eight".

Divisors: 1 2 4 19 38 76 233 466 932 4427 8854 17708 219721 439442 878884 4174699 8349398 16698796 51194993 102389986 204779972 972704867 1945409734 3890819468