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80901120 = 2103523229
BaseRepresentation
bin1001101001001…
…11010000000000
312122020012110210
410310213100000
5131202313440
612005554120
72001435216
oct464472000
9178205423
1080901120
1141737233
1223115940
13139b75b1
14aa5ccb6
157180a80
hex4d27400

80901120 has 176 divisors, whose sum is σ = 271186560. Its totient is φ = 20545536.

The previous prime is 80901091. The next prime is 80901127. The reversal of 80901120 is 2110908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80901127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353166 + ... + 353394.

Almost surely, 280901120 is an apocalyptic number.

80901120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80901120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135593280).

80901120 is an abundant number, since it is smaller than the sum of its proper divisors (190285440).

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

80901120 is a wasteful number, since it uses less digits than its factorization.

80901120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 80901120 is about 8994.5049891587. The cubic root of 80901120 is about 432.4987381210.

The spelling of 80901120 in words is "eighty million, nine hundred one thousand, one hundred twenty".