Search a number
-
+
1345700 = 225213457
BaseRepresentation
bin101001000100010100100
32112100221202
411020202210
5321030300
644502032
714303216
oct5104244
92470852
101345700
1183a054
1254a918
13381695
142705b6
151b8ad5
hex1488a4

1345700 has 18 divisors (see below), whose sum is σ = 2920386. Its totient is φ = 538240.

The previous prime is 1345699. The next prime is 1345711. The reversal of 1345700 is 75431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 473344 + 872356 = 688^2 + 934^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6629 + ... + 6828.

21345700 is an apocalyptic number.

1345700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345700 is an abundant number, since it is smaller than the sum of its proper divisors (1574686).

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

1345700 is a wasteful number, since it uses less digits than its factorization.

1345700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13471 (or 13464 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1345700 is about 1160.0431026475. The cubic root of 1345700 is about 110.4034769261.

The spelling of 1345700 in words is "one million, three hundred forty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13457 26914 53828 67285 134570 269140 336425 672850 1345700