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2768668 = 227611621
BaseRepresentation
bin1010100011111100011100
312012122220021
422203330130
51202044133
6135201524
732350630
oct12437434
95178807
102768668
111621161
12b162a4
1375c286
14520dc0
1539a52d
hex2a3f1c

2768668 has 24 divisors (see below), whose sum is σ = 5631584. Its totient is φ = 1166400.

The previous prime is 2768663. The next prime is 2768677. The reversal of 2768668 is 8668672.

2768668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898 + ... + 2518.

22768668 is an apocalyptic number.

2768668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2768668 is an abundant number, since it is smaller than the sum of its proper divisors (2862916).

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

2768668 is a wasteful number, since it uses less digits than its factorization.

2768668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1691 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 2768668 is about 1663.9314889742. The cubic root of 2768668 is about 140.4182729063.

The spelling of 2768668 in words is "two million, seven hundred sixty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1621 1708 3242 6484 11347 22694 45388 98881 197762 395524 692167 1384334 2768668