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1014430409 = 17109547453
BaseRepresentation
bin111100011101101…
…111101011001001
32121200211101220122
4330131233223021
54034143233114
6244354433025
734065342026
oct7435575311
92550741818
101014430409
1148068a643
12243892775
131322204a5
1498a2654d
155e0d1e8e
hex3c76fac9

1014430409 has 8 divisors (see below), whose sum is σ = 1083958920. Its totient is φ = 945997056.

The previous prime is 1014430381. The next prime is 1014430457. The reversal of 1014430409 is 9040344101.

It can be written as a sum of positive squares in 4 ways, for example, as 683299600 + 331130809 = 26140^2 + 18197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1014430409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1014430489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271874 + ... + 275579.

It is an arithmetic number, because the mean of its divisors is an integer number (135494865).

Almost surely, 21014430409 is an apocalyptic number.

It is an amenable number.

1014430409 is a deficient number, since it is larger than the sum of its proper divisors (69528511).

1014430409 is a wasteful number, since it uses less digits than its factorization.

1014430409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547579.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1014430409 is about 31850.1241598836. The cubic root of 1014430409 is about 1004.7871826462.

The spelling of 1014430409 in words is "one billion, fourteen million, four hundred thirty thousand, four hundred nine".

Divisors: 1 17 109 1853 547453 9306701 59672377 1014430409