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1896189468 = 223374270697
BaseRepresentation
bin111000100000101…
…1000111000011100
311220011000101221120
41301001120320130
512340411030333
6512053530540
764663226115
oct16101307034
94804011846
101896189468
11893393238
1244b043a50
13242acb304
1413db9520c
15b1708db3
hex71058e1c

1896189468 has 24 divisors (see below), whose sum is σ = 4544022672. Its totient is φ = 614980224.

The previous prime is 1896189461. The next prime is 1896189497. The reversal of 1896189468 is 8649816981.

It is a super-3 number, since 3×18961894683 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896189461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2134905 + ... + 2135792.

It is an arithmetic number, because the mean of its divisors is an integer number (189334278).

Almost surely, 21896189468 is an apocalyptic number.

It is an amenable number.

1896189468 is an abundant number, since it is smaller than the sum of its proper divisors (2647833204).

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

1896189468 is a wasteful number, since it uses less digits than its factorization.

1896189468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270741 (or 4270739 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 60.

The square root of 1896189468 is about 43545.2576981696. The cubic root of 1896189468 is about 1237.7337787496.

The spelling of 1896189468 in words is "one billion, eight hundred ninety-six million, one hundred eighty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 4270697 8541394 12812091 17082788 25624182 51248364 158015789 316031578 474047367 632063156 948094734 1896189468