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1345668 = 223112139
BaseRepresentation
bin101001000100010000100
32112100220120
411020202010
5321030133
644501540
714303142
oct5104204
92470816
101345668
1183a025
1254a8b0
1338166c
14270592
151b8ab3
hex148884

1345668 has 12 divisors (see below), whose sum is σ = 3139920. Its totient is φ = 448552.

The previous prime is 1345667. The next prime is 1345691. The reversal of 1345668 is 8665431.

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

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1345667) 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, 56058 + ... + 56081.

It is an arithmetic number, because the mean of its divisors is an integer number (261660).

21345668 is an apocalyptic number.

It is an amenable number.

1345668 is an abundant number, since it is smaller than the sum of its proper divisors (1794252).

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

1345668 is a wasteful number, since it uses less digits than its factorization.

1345668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112146 (or 112144 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1345668 is about 1160.0293099745. The cubic root of 1345668 is about 110.4026018080.

The spelling of 1345668 in words is "one million, three hundred forty-five thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 112139 224278 336417 448556 672834 1345668