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1442514400 = 25524214283
BaseRepresentation
bin101010111111011…
…0000010111100000
310201112100022202021
41111332300113200
510423240430100
6355050031224
750514112225
oct12576602740
93645308667
101442514400
11680297468
12343118514
1319cb15922
14d981b94c
1586991a1a
hex55fb05e0

1442514400 has 72 divisors (see below), whose sum is σ = 3530727144. Its totient is φ = 575500800.

The previous prime is 1442514377. The next prime is 1442514407. The reversal of 1442514400 is 44152441.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442514407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334659 + ... + 338941.

It is an arithmetic number, because the mean of its divisors is an integer number (49037877).

Almost surely, 21442514400 is an apocalyptic number.

1442514400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442514400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765363572).

1442514400 is an abundant number, since it is smaller than the sum of its proper divisors (2088212744).

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

1442514400 is a wasteful number, since it uses less digits than its factorization.

1442514400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724 (or 4711 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1442514400 is about 37980.4476013646. The cubic root of 1442514400 is about 1129.9001138638.

Adding to 1442514400 its reverse (44152441), we get a palindrome (1486666841).

The spelling of 1442514400 in words is "one billion, four hundred forty-two million, five hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 421 800 842 1684 2105 3368 4210 4283 6736 8420 8566 10525 13472 16840 17132 21050 21415 33680 34264 42100 42830 67360 68528 84200 85660 107075 137056 168400 171320 214150 336800 342640 428300 685280 856600 1713200 1803143 3426400 3606286 7212572 9015715 14425144 18031430 28850288 36062860 45078575 57700576 72125720 90157150 144251440 180314300 288502880 360628600 721257200 1442514400