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80080088 = 23117911519
BaseRepresentation
bin1001100010111…
…10110011011000
312120200111020012
410301132303120
5131000030323
611540221052
71661445434
oct461366330
9176614205
1080080088
11412263a0
122299a788
131378a98a
14a8c79c4
15706c678
hex4c5ecd8

80080088 has 32 divisors (see below), whose sum is σ = 165888000. Its totient is φ = 35936160.

The previous prime is 80080087. The next prime is 80080097. The reversal of 80080088 is 88008008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80080087) 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, 1193 + ... + 12711.

It is an arithmetic number, because the mean of its divisors is an integer number (5184000).

Almost surely, 280080088 is an apocalyptic number.

80080088 is a gapful number since it is divisible by the number (88) 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 80080088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82944000).

80080088 is an abundant number, since it is smaller than the sum of its proper divisors (85807912).

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

80080088 is a wasteful number, since it uses less digits than its factorization.

80080088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615 (or 11611 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 80080088 is about 8948.7478453692. The cubic root of 80080088 is about 431.0306770225.

The spelling of 80080088 in words is "eighty million, eighty thousand, eighty-eight".

Divisors: 1 2 4 8 11 22 44 79 88 158 316 632 869 1738 3476 6952 11519 23038 46076 92152 126709 253418 506836 910001 1013672 1820002 3640004 7280008 10010011 20020022 40040044 80080088