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1424203040 = 25513684713
BaseRepresentation
bin101010011100011…
…1001110100100000
310200020220000021202
41110320321310200
510404043444130
6353153340332
750202345311
oct12470716440
93606800252
101424203040
11670a1a907
12338b676a8
131990a3cc0
14d7212608
1585076145
hex54e39d20

1424203040 has 48 divisors (see below), whose sum is σ = 3623506488. Its totient is φ = 525858816.

The previous prime is 1424203037. The next prime is 1424203057. The reversal of 1424203040 is 403024241.

It can be written as a sum of positive squares in 4 ways, for example, as 1299746704 + 124456336 = 36052^2 + 11156^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340277 + ... + 344436.

Almost surely, 21424203040 is an apocalyptic number.

1424203040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424203040 is an abundant number, since it is smaller than the sum of its proper divisors (2199303448).

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

1424203040 is a wasteful number, since it uses less digits than its factorization.

1424203040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684741 (or 684733 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1424203040 is about 37738.6147069550. The cubic root of 1424203040 is about 1125.0987343797.

Adding to 1424203040 its reverse (403024241), we get a palindrome (1827227281).

The spelling of 1424203040 in words is "one billion, four hundred twenty-four million, two hundred three thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 684713 1369426 2738852 3423565 5477704 6847130 8901269 10955408 13694260 17802538 21910816 27388520 35605076 44506345 54777040 71210152 89012690 109554080 142420304 178025380 284840608 356050760 712101520 1424203040