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1924395089 = 8323185483
BaseRepresentation
bin111001010110011…
…1111000001010001
311222010002101210012
41302230333001101
512420121120324
6514542244305
765455042211
oct16254770121
94863071705
101924395089
118a82a8571
12458586695
132488c5626
14143818241
15b3e2b20e
hex72b3f051

1924395089 has 4 divisors (see below), whose sum is σ = 1947580656. Its totient is φ = 1901209524.

The previous prime is 1924395017. The next prime is 1924395127. The reversal of 1924395089 is 9805934291.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1924395089 - 28 = 1924394833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1924391089) 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, 11592659 + ... + 11592824.

It is an arithmetic number, because the mean of its divisors is an integer number (486895164).

Almost surely, 21924395089 is an apocalyptic number.

It is an amenable number.

1924395089 is a deficient number, since it is larger than the sum of its proper divisors (23185567).

1924395089 is an equidigital number, since it uses as much as digits as its factorization.

1924395089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23185566.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 1924395089 is about 43867.9277946885. The cubic root of 1924395089 is about 1243.8406521167.

The spelling of 1924395089 in words is "one billion, nine hundred twenty-four million, three hundred ninety-five thousand, eighty-nine".

Divisors: 1 83 23185483 1924395089