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4193893520 = 24552423669
BaseRepresentation
bin1111100111111001…
…1011110010010000
3101211021112212100122
43321332123302100
532042114043040
61532053405412
7205633335545
oct37176336220
911737485318
104193893520
111862386303
12990639868
1351ab4b3cb
142badc6bcc
151982c51b5
hexf9f9bc90

4193893520 has 20 divisors (see below), whose sum is σ = 9750802620. Its totient is φ = 1677557376.

The previous prime is 4193893481. The next prime is 4193893547. The reversal of 4193893520 is 253983914.

It can be written as a sum of positive squares in 2 ways, for example, as 3028080784 + 1165812736 = 55028^2 + 34144^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26211755 + ... + 26211914.

It is an arithmetic number, because the mean of its divisors is an integer number (487540131).

Almost surely, 24193893520 is an apocalyptic number.

4193893520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4193893520 is an abundant number, since it is smaller than the sum of its proper divisors (5556909100).

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

4193893520 is a wasteful number, since it uses less digits than its factorization.

4193893520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52423682 (or 52423676 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 4193893520 is about 64760.2773310924. The cubic root of 4193893520 is about 1612.6463326528.

The spelling of 4193893520 in words is "four billion, one hundred ninety-three million, eight hundred ninety-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 52423669 104847338 209694676 262118345 419389352 524236690 838778704 1048473380 2096946760 4193893520