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1024431420 = 223517073857
BaseRepresentation
bin111101000011111…
…001010100111100
32122101122111201110
4331003321110330
54044223301140
6245353042020
734246344345
oct7503712474
92571574643
101024431420
114862a0541
122470b6310
1313431264c
149a0ab0cc
155ee0a380
hex3d0f953c

1024431420 has 24 divisors (see below), whose sum is σ = 2868408144. Its totient is φ = 273181696.

The previous prime is 1024431413. The next prime is 1024431451. The reversal of 1024431420 is 241344201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8536869 + ... + 8536988.

It is an arithmetic number, because the mean of its divisors is an integer number (119517006).

Almost surely, 21024431420 is an apocalyptic number.

1024431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024431420 is an abundant number, since it is smaller than the sum of its proper divisors (1843976724).

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

1024431420 is a wasteful number, since it uses less digits than its factorization.

1024431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17073869 (or 17073867 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1024431420 is about 32006.7402276458. The cubic root of 1024431420 is about 1008.0783708592.

Adding to 1024431420 its reverse (241344201), we get a palindrome (1265775621).

The spelling of 1024431420 in words is "one billion, twenty-four million, four hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 17073857 34147714 51221571 68295428 85369285 102443142 170738570 204886284 256107855 341477140 512215710 1024431420