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853901389 = 11598112979
BaseRepresentation
bin110010111001011…
…000000001001101
32012111202200111101
4302321120001031
53222044321024
6220422023101
730106020265
oct6271300115
92174680441
10853901389
113a9006830
121b9b77a91
13107ba5cc3
148159a7a5
154ee72c44
hex32e5804d

853901389 has 8 divisors (see below), whose sum is σ = 931756320. Its totient is φ = 776084400.

The previous prime is 853901387. The next prime is 853901413. The reversal of 853901389 is 983109358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 853901389 - 21 = 853901387 is a prime.

It is a super-2 number, since 2×8539013892 = 1458295164272258642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853901387) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59302 + ... + 72280.

It is an arithmetic number, because the mean of its divisors is an integer number (116469540).

Almost surely, 2853901389 is an apocalyptic number.

It is an amenable number.

853901389 is a deficient number, since it is larger than the sum of its proper divisors (77854931).

853901389 is a wasteful number, since it uses less digits than its factorization.

853901389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18971.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 853901389 is about 29221.5911442207. The cubic root of 853901389 is about 948.7153046575.

The spelling of 853901389 in words is "eight hundred fifty-three million, nine hundred one thousand, three hundred eighty-nine".

Divisors: 1 11 5981 12979 65791 142769 77627399 853901389