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3890266384 = 243125032
BaseRepresentation
bin1110011111100000…
…1100000100010000
3101001010020000020011
43213320030010100
530431402011014
61442005524304
7165255501334
oct34770140420
911033200204
103890266384
111716a54794
12906a13694
1349cc80694
1428c94b7c4
1517b7eb7c4
hexe7e0c110

3890266384 has 45 divisors (see below), whose sum is σ = 7803890679. Its totient is φ = 1878644640.

The previous prime is 3890266363. The next prime is 3890266423. The reversal of 3890266384 is 4836620983.

It is a happy number.

The square root of 3890266384 is 62372.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×38902663843 (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 7733877 + ... + 7734379.

Almost surely, 23890266384 is an apocalyptic number.

3890266384 is the 62372-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3890266384

3890266384 is an abundant number, since it is smaller than the sum of its proper divisors (3913624295).

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

3890266384 is an frugal number, since it uses more digits than its factorization.

3890266384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The cubic root of 3890266384 is about 1572.7503124840.

Multiplying 3890266384 by its sum of digits (49), we get a square (190623052816 = 4366042).

The spelling of 3890266384 in words is "three billion, eight hundred ninety million, two hundred sixty-six thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 31 62 124 248 496 503 961 1006 1922 2012 3844 4024 7688 8048 15376 15593 31186 62372 124744 249488 253009 483383 506018 966766 1012036 1933532 2024072 3867064 4048144 7734128 7843279 15686558 31373116 62746232 125492464 243141649 486283298 972566596 1945133192 3890266384