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1409074889 = 7917836391
BaseRepresentation
bin101001111111100…
…1100011011001001
310122012102102100212
41103333030123021
510341210344024
6351453210505
746626640025
oct12377143311
93565372325
101409074889
11663427902
12333a90a35
13195c08231
14d51d5385
1583a88a0e
hex53fcc6c9

1409074889 has 4 divisors (see below), whose sum is σ = 1426911360. Its totient is φ = 1391238420.

The previous prime is 1409074883. The next prime is 1409074913. The reversal of 1409074889 is 9884709041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9884709041 = 17581453473.

It is a cyclic number.

It is not a de Polignac number, because 1409074889 - 24 = 1409074873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409074883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918117 + ... + 8918274.

It is an arithmetic number, because the mean of its divisors is an integer number (356727840).

Almost surely, 21409074889 is an apocalyptic number.

It is an amenable number.

1409074889 is a deficient number, since it is larger than the sum of its proper divisors (17836471).

1409074889 is an equidigital number, since it uses as much as digits as its factorization.

1409074889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17836470.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 1409074889 is about 37537.6462900912. The cubic root of 1409074889 is about 1121.1008757413.

The spelling of 1409074889 in words is "one billion, four hundred nine million, seventy-four thousand, eight hundred eighty-nine".

Divisors: 1 79 17836391 1409074889