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881322972 = 22373443581
BaseRepresentation
bin110100100001111…
…110101111011100
32021102100211211120
4310201332233130
53301104313342
6223241450540
730561056505
oct6441765734
92242324746
10881322972
11412535aa2
122071a0a50
131107874aa
1485097bac
155258caec
hex3487ebdc

881322972 has 12 divisors (see below), whose sum is σ = 2056420296. Its totient is φ = 293774320.

The previous prime is 881322919. The next prime is 881323007. The reversal of 881322972 is 279223188.

It is a happy number.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36721779 + ... + 36721802.

It is an arithmetic number, because the mean of its divisors is an integer number (171368358).

Almost surely, 2881322972 is an apocalyptic number.

It is an amenable number.

881322972 is an abundant number, since it is smaller than the sum of its proper divisors (1175097324).

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

881322972 is a wasteful number, since it uses less digits than its factorization.

881322972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73443588 (or 73443586 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 881322972 is about 29687.0842623522. The cubic root of 881322972 is about 958.7639517435.

The spelling of 881322972 in words is "eight hundred eighty-one million, three hundred twenty-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 73443581 146887162 220330743 293774324 440661486 881322972