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1412142440 = 23567352457
BaseRepresentation
bin101010000101011…
…1001010101101000
310122102012021020212
41110022321111220
510343002024230
6352043040252
746665004232
oct12412712550
93572167225
101412142440
11665132575
12334b10088
13196740557
14d5793252
1583e92895
hex542b9568

1412142440 has 32 divisors (see below), whose sum is σ = 3182102280. Its totient is φ = 564006912.

The previous prime is 1412142437. The next prime is 1412142449. The reversal of 1412142440 is 442412141.

It can be written as a sum of positive squares in 4 ways, for example, as 1368556036 + 43586404 = 36994^2 + 6602^2 .

It is not an unprimeable number, because it can be changed into a prime (1412142449) 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, 692 + ... + 53148.

Almost surely, 21412142440 is an apocalyptic number.

1412142440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1412142440 is an abundant number, since it is smaller than the sum of its proper divisors (1769959840).

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

1412142440 is a wasteful number, since it uses less digits than its factorization.

1412142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53141 (or 53137 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1412142440 is about 37578.4837373729. The cubic root of 1412142440 is about 1121.9138302940.

Adding to 1412142440 its reverse (442412141), we get a palindrome (1854554581).

The spelling of 1412142440 in words is "one billion, four hundred twelve million, one hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 673 1346 2692 3365 5384 6730 13460 26920 52457 104914 209828 262285 419656 524570 1049140 2098280 35303561 70607122 141214244 176517805 282428488 353035610 706071220 1412142440