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4389382147 = 19231020113
BaseRepresentation
bin1000001011010000…
…01010100000000011
3102022220101201100011
410011220022200003
532442140212042
62003315405351
7213526063333
oct40550124003
912286351304
104389382147
111952767857
12a25bb3857
1354c4b6157
142d8d530c3
151aa53ca17
hex105a0a803

4389382147 has 4 divisors (see below), whose sum is σ = 4620402280. Its totient is φ = 4158362016.

The previous prime is 4389382111. The next prime is 4389382177. The reversal of 4389382147 is 7412839834.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4389382147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4389382147.

It is not an unprimeable number, because it can be changed into a prime (4389382177) 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, 115510038 + ... + 115510075.

It is an arithmetic number, because the mean of its divisors is an integer number (1155100570).

Almost surely, 24389382147 is an apocalyptic number.

4389382147 is a deficient number, since it is larger than the sum of its proper divisors (231020133).

4389382147 is a wasteful number, since it uses less digits than its factorization.

4389382147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231020132.

The product of its digits is 1161216, while the sum is 49.

The square root of 4389382147 is about 66252.4123862671. The cubic root of 4389382147 is about 1637.3233836435.

The spelling of 4389382147 in words is "four billion, three hundred eighty-nine million, three hundred eighty-two thousand, one hundred forty-seven".

Divisors: 1 19 231020113 4389382147