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80153080 = 2357293977
BaseRepresentation
bin1001100011100…
…00100111111000
312120211012100121
410301300213320
5131004344310
611541543024
71662201310
oct461604770
9176735317
1080153080
1141276217
1222a14a74
13137b4c77
14a906440
1570840da
hex4c709f8

80153080 has 64 divisors (see below), whose sum is σ = 207023040. Its totient is φ = 27359232.

The previous prime is 80153069. The next prime is 80153111. The reversal of 80153080 is 8035108.

It is a congruent number.

It is an unprimeable number.

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, 81552 + ... + 82528.

It is an arithmetic number, because the mean of its divisors is an integer number (3234735).

Almost surely, 280153080 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 80153080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103511520).

80153080 is an abundant number, since it is smaller than the sum of its proper divisors (126869960).

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

80153080 is a wasteful number, since it uses less digits than its factorization.

80153080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 80153080 is about 8952.8252523994. The cubic root of 80153080 is about 431.1615969461.

Adding to 80153080 its reverse (8035108), we get a palindrome (88188188).

The spelling of 80153080 in words is "eighty million, one hundred fifty-three thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 293 586 977 1172 1465 1954 2051 2344 2930 3908 4102 4885 5860 6839 7816 8204 9770 10255 11720 13678 16408 19540 20510 27356 34195 39080 41020 54712 68390 82040 136780 273560 286261 572522 1145044 1431305 2003827 2290088 2862610 4007654 5725220 8015308 10019135 11450440 16030616 20038270 40076540 80153080