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985386892 = 227193175843
BaseRepresentation
bin111010101110111…
…100111110001100
32112200011211200211
4322232330332030
54004224340032
6241440132204
733263436040
oct7256747614
92480154624
10985386892
11466252836
12236007064
131291c1989
1494c26020
155b796747
hex3abbcf8c

985386892 has 48 divisors (see below), whose sum is σ = 2081399040. Its totient is φ = 398751552.

The previous prime is 985386881. The next prime is 985386893. The reversal of 985386892 is 298683589.

It is not an unprimeable number, because it can be changed into a prime (985386893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165723 + ... + 171565.

It is an arithmetic number, because the mean of its divisors is an integer number (43362480).

Almost surely, 2985386892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985386892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040699520).

985386892 is an abundant number, since it is smaller than the sum of its proper divisors (1096012148).

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

985386892 is a wasteful number, since it uses less digits than its factorization.

985386892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190 (or 6188 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The square root of 985386892 is about 31390.8727498934. The cubic root of 985386892 is about 995.1050424863.

The spelling of 985386892 in words is "nine hundred eighty-five million, three hundred eighty-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 317 532 634 1268 2219 4438 5843 6023 8876 11686 12046 23372 24092 40901 42161 81802 84322 111017 163604 168644 222034 444068 777119 1554238 1852231 3108476 3704462 7408924 12965617 25931234 35192389 51862468 70384778 140769556 246346723 492693446 985386892