Search a number
-
+
1424454240 = 253511269783
BaseRepresentation
bin101010011100111…
…0111001001100000
310200021100202212110
41110321313021200
510404130013430
6353202555320
750204442546
oct12471671140
93607322773
101424454240
11671081610
12339068b40
13199161441
14d7279d96
15850c57b0
hex54e77260

1424454240 has 96 divisors (see below), whose sum is σ = 4894960896. Its totient is φ = 345320960.

The previous prime is 1424454233. The next prime is 1424454257. The reversal of 1424454240 is 424544241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1424454198 and 1424454207.

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, 129612 + ... + 140171.

It is an arithmetic number, because the mean of its divisors is an integer number (50989176).

Almost surely, 21424454240 is an apocalyptic number.

1424454240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424454240 is an abundant number, since it is smaller than the sum of its proper divisors (3470506656).

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

1424454240 is a wasteful number, since it uses less digits than its factorization.

1424454240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269812 (or 269804 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 1424454240 is about 37741.9427162938. The cubic root of 1424454240 is about 1125.1648785505.

Adding to 1424454240 its reverse (424544241), we get a palindrome (1848998481).

Subtracting from 1424454240 its reverse (424544241), we obtain a palindrome (999909999).

The spelling of 1424454240 in words is "one billion, four hundred twenty-four million, four hundred fifty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 269783 539566 809349 1079132 1348915 1618698 2158264 2697830 2967613 3237396 4046745 4316528 5395660 5935226 6474792 8093490 8633056 8902839 10791320 11870452 12949584 14838065 16186980 17805678 21582640 23740904 25899168 29676130 32373960 35611356 43165280 44514195 47481808 59352260 64747920 71222712 89028390 94963616 118704520 129495840 142445424 178056780 237409040 284890848 356113560 474818080 712227120 1424454240