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1424442400 = 255211631531
BaseRepresentation
bin101010011100111…
…0100010000100000
310200021100011121221
41110321310100200
510404124124100
6353202424424
750204363203
oct12471642040
93607304557
101424442400
11671073727
12339062114
13199158c34
14d727593a
15850c201a
hex54e74420

1424442400 has 72 divisors (see below), whose sum is σ = 3482683344. Its totient is φ = 568915200.

The previous prime is 1424442373. The next prime is 1424442421. The reversal of 1424442400 is 42444241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929635 + ... + 931165.

It is an arithmetic number, because the mean of its divisors is an integer number (48370602).

Almost surely, 21424442400 is an apocalyptic number.

1424442400 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 1424442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741341672).

1424442400 is an abundant number, since it is smaller than the sum of its proper divisors (2058240944).

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

1424442400 is a wasteful number, since it uses less digits than its factorization.

1424442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1424442400 is about 37741.7858612970. The cubic root of 1424442400 is about 1125.1617611018.

Adding to 1424442400 its reverse (42444241), we get a palindrome (1466886641).

It can be divided in two parts, 14244 and 42400, that added together give a square (56644 = 2382).

The spelling of 1424442400 in words is "one billion, four hundred twenty-four million, four hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1163 1531 2326 3062 4652 5815 6124 7655 9304 11630 12248 15310 18608 23260 24496 29075 30620 37216 38275 46520 48992 58150 61240 76550 93040 116300 122480 153100 186080 232600 244960 306200 465200 612400 930400 1224800 1780553 3561106 7122212 8902765 14244424 17805530 28488848 35611060 44513825 56977696 71222120 89027650 142444240 178055300 284888480 356110600 712221200 1424442400