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1454923845 = 32532331641
BaseRepresentation
bin101011010111000…
…0110000001000101
310202101200210022100
41112232012001011
510434430030340
6400212022313
751024435324
oct12656060105
93671623270
101454923845
116872a2901
12347301999
131a256c0ab
14db32c0bb
1587ae3830
hex56b86045

1454923845 has 12 divisors (see below), whose sum is σ = 2521868076. Its totient is φ = 775959360.

The previous prime is 1454923831. The next prime is 1454923853. The reversal of 1454923845 is 5483294541.

1454923845 is a `hidden beast` number, since 1 + 4 + 549 + 23 + 84 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 728028324 + 726895521 = 26982^2 + 26961^2 .

It is not a de Polignac number, because 1454923845 - 215 = 1454891077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 32331641 = 1454923845 / (1 + 4 + 5 + 4 + 9 + 2 + 3 + 8 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1454923845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16165776 + ... + 16165865.

It is an arithmetic number, because the mean of its divisors is an integer number (210155673).

Almost surely, 21454923845 is an apocalyptic number.

1454923845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1454923845 is a deficient number, since it is larger than the sum of its proper divisors (1066944231).

1454923845 is a wasteful number, since it uses less digits than its factorization.

1454923845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32331652 (or 32331649 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 1454923845 is about 38143.4639879495. The cubic root of 1454923845 is about 1133.1309117048.

The spelling of 1454923845 in words is "one billion, four hundred fifty-four million, nine hundred twenty-three thousand, eight hundred forty-five".

Divisors: 1 3 5 9 15 45 32331641 96994923 161658205 290984769 484974615 1454923845