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83381442 = 2313896907
BaseRepresentation
bin1001111100001…
…00110011000010
312210220012211120
410332010303002
5132321201232
612135053110
72031505404
oct476046302
9183805746
1083381442
1143080791
1223b11196
1314375541
14b106b74
1574c092c
hex4f84cc2

83381442 has 8 divisors (see below), whose sum is σ = 166762896. Its totient is φ = 27793812.

The previous prime is 83381437. The next prime is 83381453. The reversal of 83381442 is 24418338.

It is a sphenic number, since it is the product of 3 distinct primes.

83381442 is an admirable 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, 6948448 + ... + 6948459.

It is an arithmetic number, because the mean of its divisors is an integer number (20845362).

Almost surely, 283381442 is an apocalyptic number.

83381442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83381442 is a wasteful number, since it uses less digits than its factorization.

83381442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896912.

The product of its digits is 18432, while the sum is 33.

The square root of 83381442 is about 9131.3439317551. The cubic root of 83381442 is about 436.8742697813.

The spelling of 83381442 in words is "eighty-three million, three hundred eighty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 13896907 27793814 41690721 83381442