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2389481379 = 32269998369
BaseRepresentation
bin1000111001101100…
…1001011110100011
320011112020020020100
42032123021132203
514343201401004
61033034513443
7113133154005
oct21633113643
96145206210
102389481379
1110168887aa
12568295883
132c107500c
141894c2375
15deb99739
hex8e6c97a3

2389481379 has 12 divisors (see below), whose sum is σ = 3452787000. Its totient is φ = 1592381184.

The previous prime is 2389481377. The next prime is 2389481399. The reversal of 2389481379 is 9731849832.

It is not a de Polignac number, because 2389481379 - 21 = 2389481377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2389481377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24894 + ... + 73475.

It is an arithmetic number, because the mean of its divisors is an integer number (287732250).

Almost surely, 22389481379 is an apocalyptic number.

2389481379 is a deficient number, since it is larger than the sum of its proper divisors (1063305621).

2389481379 is a wasteful number, since it uses less digits than its factorization.

2389481379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101074 (or 101071 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 2389481379 is about 48882.3217431415. The cubic root of 2389481379 is about 1336.9070602505.

The spelling of 2389481379 in words is "two billion, three hundred eighty-nine million, four hundred eighty-one thousand, three hundred seventy-nine".

Divisors: 1 3 9 2699 8097 24291 98369 295107 885321 265497931 796493793 2389481379