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80401048 = 23713110441
BaseRepresentation
bin1001100101011…
…01001010011000
312121021210111121
410302231022120
5131040313143
611551135024
71664253250
oct462551230
9177253447
1080401048
1141425552
1222b14474
1313870ab0
14a96c960
1570d27ed
hex4cad298

80401048 has 32 divisors (see below), whose sum is σ = 185542560. Its totient is φ = 31806720.

The previous prime is 80401043. The next prime is 80401063. The reversal of 80401048 is 84010408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80401043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54493 + ... + 55948.

It is an arithmetic number, because the mean of its divisors is an integer number (5798205).

Almost surely, 280401048 is an apocalyptic number.

It is an amenable number.

80401048 is an abundant number, since it is smaller than the sum of its proper divisors (105141512).

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

80401048 is a wasteful number, since it uses less digits than its factorization.

80401048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110467 (or 110463 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 80401048 is about 8966.6631474590. The cubic root of 80401048 is about 431.6057645943.

The spelling of 80401048 in words is "eighty million, four hundred one thousand, forty-eight".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 110441 220882 441764 773087 883528 1435733 1546174 2871466 3092348 5742932 6184696 10050131 11485864 20100262 40200524 80401048