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985841948 = 227137934283
BaseRepresentation
bin111010110000101…
…100000100011100
32112201000221220202
4322300230010130
54004333420243
6241454003032
733300342530
oct7260540434
92481027822
10985841948
11466533713
122361a6478
13129320b40
1494d03bc0
155b8364b8
hex3ac2c11c

985841948 has 48 divisors (see below), whose sum is σ = 2150292480. Its totient is φ = 385055424.

The previous prime is 985841947. The next prime is 985841959. The reversal of 985841948 is 849148589.

It is a junction number, because it is equal to n+sod(n) for n = 985841893 and 985841902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985841947) 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 15 ways as a sum of consecutive naturals, for example, 11615 + ... + 45897.

It is an arithmetic number, because the mean of its divisors is an integer number (44797760).

Almost surely, 2985841948 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 985841948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075146240).

985841948 is an abundant number, since it is smaller than the sum of its proper divisors (1164450532).

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

985841948 is a wasteful number, since it uses less digits than its factorization.

985841948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34386 (or 34384 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 56.

The square root of 985841948 is about 31398.1201348106. The cubic root of 985841948 is about 995.2582002073.

The spelling of 985841948 in words is "nine hundred eighty-five million, eight hundred forty-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 79 91 158 182 316 364 553 1027 1106 2054 2212 4108 7189 14378 28756 34283 68566 137132 239981 445679 479962 891358 959924 1782716 2708357 3119753 5416714 6239506 10833428 12479012 18958499 35208641 37916998 70417282 75833996 140834564 246460487 492920974 985841948