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1868768 = 25115309
BaseRepresentation
bin111001000001111100000
310111221110122
413020033200
5434300033
6104015412
721612206
oct7101740
93457418
101868768
111067040
12761568
135057a5
14369076
1526da98
hex1c83e0

1868768 has 24 divisors (see below), whose sum is σ = 4014360. Its totient is φ = 849280.

The previous prime is 1868753. The next prime is 1868777. The reversal of 1868768 is 8678681.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (167265).

21868768 is an apocalyptic number.

It is an amenable number.

1868768 is an abundant number, since it is smaller than the sum of its proper divisors (2145592).

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

1868768 is a wasteful number, since it uses less digits than its factorization.

1868768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330 (or 5322 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 1868768 is about 1367.0288950860. The cubic root of 1868768 is about 123.1738348887.

It can be divided in two parts, 18 and 68768, that added together give a palindrome (68786).

The spelling of 1868768 in words is "one million, eight hundred sixty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 5309 10618 21236 42472 58399 84944 116798 169888 233596 467192 934384 1868768