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80741340 = 22335149521
BaseRepresentation
bin1001101000000…
…00001111011100
312121221002022000
410310000033130
5131132210330
612002322300
72000201331
oct464001734
9177832260
1080741340
1141638189
1223059390
131395c954
14aa1a988
15714d560
hex4d003dc

80741340 has 48 divisors (see below), whose sum is σ = 251196960. Its totient is φ = 21530880.

The previous prime is 80741333. The next prime is 80741359. The reversal of 80741340 is 4314708.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74221 + ... + 75300.

It is an arithmetic number, because the mean of its divisors is an integer number (5233270).

Almost surely, 280741340 is an apocalyptic number.

It is an amenable number.

80741340 is an abundant number, since it is smaller than the sum of its proper divisors (170455620).

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

80741340 is a wasteful number, since it uses less digits than its factorization.

80741340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149539 (or 149531 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 80741340 is about 8985.6185095963. The cubic root of 80741340 is about 432.2138216191.

The spelling of 80741340 in words is "eighty million, seven hundred forty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 149521 299042 448563 598084 747605 897126 1345689 1495210 1794252 2242815 2691378 2990420 4037067 4485630 5382756 6728445 8074134 8971260 13456890 16148268 20185335 26913780 40370670 80741340