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4385868 = 223365489
BaseRepresentation
bin10000101110110001001100
322020211021120
4100232301030
52110321433
6234000540
752164534
oct20566114
98224246
104385868
112526193
121576150
13ba73b6
148224c4
155b97b3
hex42ec4c

4385868 has 12 divisors (see below), whose sum is σ = 10233720. Its totient is φ = 1461952.

The previous prime is 4385863. The next prime is 4385879. The reversal of 4385868 is 8685834.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×43858682 = 38471676226848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4385863) 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, 182733 + ... + 182756.

It is an arithmetic number, because the mean of its divisors is an integer number (852810).

Almost surely, 24385868 is an apocalyptic number.

It is an amenable number.

4385868 is an abundant number, since it is smaller than the sum of its proper divisors (5847852).

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

4385868 is a wasteful number, since it uses less digits than its factorization.

4385868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365496 (or 365494 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 4385868 is about 2094.2464038408. The cubic root of 4385868 is about 163.6886318999.

It can be divided in two parts, 4385 and 868, that added together give a triangular number (5253 = T102).

The spelling of 4385868 in words is "four million, three hundred eighty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 365489 730978 1096467 1461956 2192934 4385868