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1896109568 = 296315869
BaseRepresentation
bin111000100000100…
…0101011000000000
311220010212100100022
41301001011120000
512340401001233
6512052113012
764662444143
oct16101053000
94803770308
101896109568
11893339201
1244b005768
13242aa0b32
1413db7405a
15b16e0398
hex71045600

1896109568 has 40 divisors (see below), whose sum is σ = 3795166320. Its totient is φ = 946391040.

The previous prime is 1896109561. The next prime is 1896109571. The reversal of 1896109568 is 8659016981.

It is a super-2 number, since 2×18961095682 = 7190462987722293248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896109561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320138 + ... + 326006.

It is an arithmetic number, because the mean of its divisors is an integer number (94879158).

Almost surely, 21896109568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1896109568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897583160).

1896109568 is an abundant number, since it is smaller than the sum of its proper divisors (1899056752).

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

1896109568 is an frugal number, since it uses more digits than its factorization.

1896109568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6502 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 1896109568 is about 43544.3402522073. The cubic root of 1896109568 is about 1237.7163936518.

The spelling of 1896109568 in words is "one billion, eight hundred ninety-six million, one hundred nine thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 631 1262 2524 5048 5869 10096 11738 20192 23476 40384 46952 80768 93904 161536 187808 323072 375616 751232 1502464 3004928 3703339 7406678 14813356 29626712 59253424 118506848 237013696 474027392 948054784 1896109568