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1214140 = 225173571
BaseRepresentation
bin100101000011010111100
32021200111011
410220122330
5302323030
642005004
713214524
oct4503274
92250434
101214140
1175a224
124a6764
13336835
14238684
1518eb2a
hex1286bc

1214140 has 24 divisors (see below), whose sum is σ = 2700432. Its totient is φ = 456960.

The previous prime is 1214137. The next prime is 1214141. The reversal of 1214140 is 414121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214141) 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, 1446 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (112518).

21214140 is an apocalyptic number.

1214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214140 is an abundant number, since it is smaller than the sum of its proper divisors (1486292).

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

1214140 is a wasteful number, since it uses less digits than its factorization.

1214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1214140 is about 1101.8802112753. The cubic root of 1214140 is about 106.6816168281.

Adding to 1214140 its reverse (414121), we get a palindrome (1628261).

The spelling of 1214140 in words is "one million, two hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3571 7142 14284 17855 35710 60707 71420 121414 242828 303535 607070 1214140