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3852728894 = 275323132
BaseRepresentation
bin1110010110100011…
…1111101000111110
3100221111120220110202
43211220333220332
530342244311034
61434145203502
7164321440520
oct34550775076
910844526422
103852728894
1116a7846273
128b6330592
13495269951
14287979a10
1517838447e
hexe5a3fa3e

3852728894 has 36 divisors (see below), whose sum is σ = 6753221496. Its totient is φ = 1614839616.

The previous prime is 3852728863. The next prime is 3852728897. The reversal of 3852728894 is 4988272583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3852728897) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12308882 + ... + 12309194.

It is an arithmetic number, because the mean of its divisors is an integer number (187589486).

Almost surely, 23852728894 is an apocalyptic number.

3852728894 is a deficient number, since it is larger than the sum of its proper divisors (2900492602).

3852728894 is an frugal number, since it uses more digits than its factorization.

3852728894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 375 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 3852728894 is about 62070.3543891929. The cubic root of 3852728894 is about 1567.6754236609.

Multiplying 3852728894 by its sum of digits (56), we get a square (215752818064 = 4644922).

The spelling of 3852728894 in words is "three billion, eight hundred fifty-two million, seven hundred twenty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 53 106 313 371 626 742 2191 2809 4382 5618 16589 19663 33178 39326 97969 116123 195938 232246 685783 879217 1371566 1758434 5192357 6154519 10384714 12309038 36346499 72692998 275194921 550389842 1926364447 3852728894