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1014459989 = 171912372539
BaseRepresentation
bin111100011101110…
…110111001010101
32121200212220111012
4330131312321111
54034200204424
6244355222005
734065524204
oct7435667125
92550786435
101014459989
114806aa894
122438a7905
13132230aaa
1498a3323b
155e0dab0e
hex3c776e55

1014459989 has 16 divisors (see below), whose sum is σ = 1132027200. Its totient is φ = 903446784.

The previous prime is 1014459977. The next prime is 1014459997. The reversal of 1014459989 is 9899544101.

It is a cyclic number.

It is not a de Polignac number, because 1014459989 - 24 = 1014459973 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014459949) 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 15 ways as a sum of consecutive naturals, for example, 398282 + ... + 400820.

It is an arithmetic number, because the mean of its divisors is an integer number (70751700).

Almost surely, 21014459989 is an apocalyptic number.

1014459989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1014459989 is a deficient number, since it is larger than the sum of its proper divisors (117567211).

1014459989 is a wasteful number, since it uses less digits than its factorization.

1014459989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 1014459989 is about 31850.5885188955. The cubic root of 1014459989 is about 1004.7969488216.

The spelling of 1014459989 in words is "one billion, fourteen million, four hundred fifty-nine thousand, nine hundred eighty-nine".

Divisors: 1 17 19 323 1237 2539 21029 23503 43163 48241 399551 820097 3140743 53392631 59674117 1014459989