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1409864481 = 3352217203
BaseRepresentation
bin101010000001000…
…1101001100100001
310122020220112111000
41110002031030201
510341411130411
6351522142213
746636436034
oct12402151441
93566815430
101409864481
11663917063
123341b1969
1319612374c
14d535d01b
1583b92956
hex5408d321

1409864481 has 8 divisors (see below), whose sum is σ = 2088688160. Its totient is φ = 939909636.

The previous prime is 1409864479. The next prime is 1409864497. The reversal of 1409864481 is 1844689041.

It is not a de Polignac number, because 1409864481 - 21 = 1409864479 is a prime.

It is a super-2 number, since 2×14098644812 = 3975435709570798722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1409864411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26108575 + ... + 26108628.

It is an arithmetic number, because the mean of its divisors is an integer number (261086020).

Almost surely, 21409864481 is an apocalyptic number.

It is an amenable number.

1409864481 is a deficient number, since it is larger than the sum of its proper divisors (678823679).

1409864481 is an equidigital number, since it uses as much as digits as its factorization.

1409864481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52217212 (or 52217206 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1409864481 is about 37548.1621520947. The cubic root of 1409864481 is about 1121.3102440757.

The spelling of 1409864481 in words is "one billion, four hundred nine million, eight hundred sixty-four thousand, four hundred eighty-one".

Divisors: 1 3 9 27 52217203 156651609 469954827 1409864481