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1424013144 = 233475921397
BaseRepresentation
bin101010011100000…
…1011011101011000
310200020112100210120
41110320023131120
510404021410034
6353145313240
750200624551
oct12470133530
93606470716
101424013144
11670900174
12338a95820
13199038738
14d71a3328
1585039c49
hex54e0b758

1424013144 has 64 divisors (see below), whose sum is σ = 3697574400. Its totient is φ = 456676224.

The previous prime is 1424013137. The next prime is 1424013163. The reversal of 1424013144 is 4413104241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55854 + ... + 77250.

It is an arithmetic number, because the mean of its divisors is an integer number (57774600).

Almost surely, 21424013144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424013144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848787200).

1424013144 is an abundant number, since it is smaller than the sum of its proper divisors (2273561256).

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

1424013144 is a wasteful number, since it uses less digits than its factorization.

1424013144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512 (or 21508 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1424013144 is about 37736.0986854762. The cubic root of 1424013144 is about 1125.0487271734.

Adding to 1424013144 its reverse (4413104241), we get a palindrome (5837117385).

The spelling of 1424013144 in words is "one billion, four hundred twenty-four million, thirteen thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 47 59 94 118 141 177 188 236 282 354 376 472 564 708 1128 1416 2773 5546 8319 11092 16638 21397 22184 33276 42794 64191 66552 85588 128382 171176 256764 513528 1005659 1262423 2011318 2524846 3016977 3787269 4022636 5049692 6033954 7574538 8045272 10099384 12067908 15149076 24135816 30298152 59333881 118667762 178001643 237335524 356003286 474671048 712006572 1424013144