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853106742 = 23424121851
BaseRepresentation
bin110010110110010…
…110000000110110
32012110021022110000
4302312112000312
53221343403432
6220353012130
730066200445
oct6266260066
92173238400
10853106742
113a86137a4
121b9854046
131079883b7
1481430d5c
154ed6757c
hex32d96036

853106742 has 40 divisors (see below), whose sum is σ = 1919610792. Its totient is φ = 283176000.

The previous prime is 853106671. The next prime is 853106747. The reversal of 853106742 is 247601358.

It is a super-2 number, since 2×8531067422 = 1455582226491709128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 853106697 and 853106706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853106747) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28117 + ... + 49967.

Almost surely, 2853106742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853106742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959805396).

853106742 is an abundant number, since it is smaller than the sum of its proper divisors (1066504050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853106742 is a wasteful number, since it uses less digits than its factorization.

853106742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106 (or 22097 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 853106742 is about 29207.9910640907. The cubic root of 853106742 is about 948.4209194740.

The spelling of 853106742 in words is "eight hundred fifty-three million, one hundred six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 241 482 723 1446 2169 4338 6507 13014 19521 21851 39042 43702 65553 131106 196659 393318 589977 1179954 1769931 3539862 5266091 10532182 15798273 31596546 47394819 94789638 142184457 284368914 426553371 853106742