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1424424340 = 22571221217
BaseRepresentation
bin101010011100110…
…1111110110010100
310200021022020212001
41110321233312110
510404123034330
6353202205044
750204256433
oct12471576624
93607266761
101424424340
116710610a9
12339053784
13199150951
14d726d11a
15850bb9ca
hex54e6fd94

1424424340 has 12 divisors (see below), whose sum is σ = 2991291156. Its totient is φ = 569769728.

The previous prime is 1424424283. The next prime is 1424424371. The reversal of 1424424340 is 434244241.

It can be written as a sum of positive squares in 2 ways, for example, as 878173956 + 546250384 = 29634^2 + 23372^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1424424299 and 1424424308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35610589 + ... + 35610628.

It is an arithmetic number, because the mean of its divisors is an integer number (249274263).

Almost surely, 21424424340 is an apocalyptic number.

1424424340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424424340 is an abundant number, since it is smaller than the sum of its proper divisors (1566866816).

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

1424424340 is a wasteful number, since it uses less digits than its factorization.

1424424340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71221226 (or 71221224 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1424424340 is about 37741.5466031799. The cubic root of 1424424340 is about 1125.1570059060.

Adding to 1424424340 its reverse (434244241), we get a palindrome (1858668581).

The spelling of 1424424340 in words is "one billion, four hundred twenty-four million, four hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 71221217 142442434 284884868 356106085 712212170 1424424340