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1145472519 = 32316601051
BaseRepresentation
bin100010001000110…
…1000011000000111
32221211102000220010
41010101220120013
54321220110034
6305355241303
740246233012
oct10421503007
92854360803
101145472519
11538653504
1227b749233
131534123b9
14ac1b8379
156a8693e9
hex44468607

1145472519 has 8 divisors (see below), whose sum is σ = 1593700992. Its totient is φ = 730446200.

The previous prime is 1145472509. The next prime is 1145472547. The reversal of 1145472519 is 9152745411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1145472519 - 25 = 1145472487 is a prime.

It is a super-2 number, since 2×11454725192 = 2624214583568410722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145472509) 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, 8300457 + ... + 8300594.

It is an arithmetic number, because the mean of its divisors is an integer number (199212624).

Almost surely, 21145472519 is an apocalyptic number.

1145472519 is a deficient number, since it is larger than the sum of its proper divisors (448228473).

1145472519 is a wasteful number, since it uses less digits than its factorization.

1145472519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16601077.

The product of its digits is 50400, while the sum is 39.

The square root of 1145472519 is about 33844.8300187783. The cubic root of 1145472519 is about 1046.3128479495.

The spelling of 1145472519 in words is "one billion, one hundred forty-five million, four hundred seventy-two thousand, five hundred nineteen".

Divisors: 1 3 23 69 16601051 49803153 381824173 1145472519