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1420515426 = 231121522961
BaseRepresentation
bin101010010101011…
…0101100001100010
310122222221122211110
41110222311201202
510402122443201
6352542324150
750126116251
oct12452654142
93588848743
101420515426
116699312a0
12337889656
131983b2695
14d6932798
1584a986d6
hex54ab5862

1420515426 has 16 divisors (see below), whose sum is σ = 3099306528. Its totient is φ = 430459200.

The previous prime is 1420515413. The next prime is 1420515469. The reversal of 1420515426 is 6245150241.

It is a super-2 number, since 2×14205154262 = 4035728151007922952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1420515393 and 1420515402.

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, 10761415 + ... + 10761546.

It is an arithmetic number, because the mean of its divisors is an integer number (193706658).

Almost surely, 21420515426 is an apocalyptic number.

1420515426 is an abundant number, since it is smaller than the sum of its proper divisors (1678791102).

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

1420515426 is a wasteful number, since it uses less digits than its factorization.

1420515426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522977.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1420515426 is about 37689.7257352717. The cubic root of 1420515426 is about 1124.1268420872.

Adding to 1420515426 its reverse (6245150241), we get a palindrome (7665665667).

The spelling of 1420515426 in words is "one billion, four hundred twenty million, five hundred fifteen thousand, four hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 66 21522961 43045922 64568883 129137766 236752571 473505142 710257713 1420515426