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985131132 = 22382094261
BaseRepresentation
bin111010101101111…
…110100001111100
32112122200211212020
4322231332201330
54004143144012
6241430440140
733261322266
oct7255764174
92478624766
10985131132
11466098667
12235b03050
1312913243b
1494b9ab36
155b745a8c
hex3ab7e87c

985131132 has 12 divisors (see below), whose sum is σ = 2298639336. Its totient is φ = 328377040.

The previous prime is 985131089. The next prime is 985131143. The reversal of 985131132 is 231131589.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 985131093 and 985131102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41047119 + ... + 41047142.

It is an arithmetic number, because the mean of its divisors is an integer number (191553278).

Almost surely, 2985131132 is an apocalyptic number.

It is an amenable number.

985131132 is an abundant number, since it is smaller than the sum of its proper divisors (1313508204).

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

985131132 is a wasteful number, since it uses less digits than its factorization.

985131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82094268 (or 82094266 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 985131132 is about 31386.7986898951. The cubic root of 985131132 is about 995.0189409120.

The spelling of 985131132 in words is "nine hundred eighty-five million, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 82094261 164188522 246282783 328377044 492565566 985131132