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1424144420 = 225151471571
BaseRepresentation
bin101010011100010…
…1011100000100100
310200020210000212122
41110320223200210
510404040110140
6353152205112
750202012356
oct12470534044
93606700778
101424144420
1167098a866
12338b39798
1319908340a
14d71d90d6
1585063ab5
hex54e2b824

1424144420 has 24 divisors (see below), whose sum is σ = 3010515648. Its totient is φ = 565884000.

The previous prime is 1424144413. The next prime is 1424144431. The reversal of 1424144420 is 244414241.

It is a self number, because there is not a number n which added to its sum of digits gives 1424144420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232766 + ... + 238805.

It is an arithmetic number, because the mean of its divisors is an integer number (125438152).

Almost surely, 21424144420 is an apocalyptic number.

1424144420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424144420 is an abundant number, since it is smaller than the sum of its proper divisors (1586371228).

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

1424144420 is a wasteful number, since it uses less digits than its factorization.

1424144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471731 (or 471729 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1424144420 is about 37737.8380408841. The cubic root of 1424144420 is about 1125.0832978652.

Adding to 1424144420 its reverse (244414241), we get a palindrome (1668558661).

The spelling of 1424144420 in words is "one billion, four hundred twenty-four million, one hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 471571 943142 1886284 2357855 4715710 9431420 71207221 142414442 284828884 356036105 712072210 1424144420