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80316432 = 243271743109
BaseRepresentation
bin1001100100110…
…00100000010000
312121010111102200
410302120200100
5131030111212
611545243200
71663451460
oct462304020
9177114380
1080316432
1141377a19
1222a93500
1313841421
14a949ba0
1570b76dc
hex4c98810

80316432 has 240 divisors, whose sum is σ = 280874880. Its totient is φ = 20901888.

The previous prime is 80316421. The next prime is 80316433. The reversal of 80316432 is 23461308.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80316396 and 80316405.

It is not an unprimeable number, because it can be changed into a prime (80316433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 736794 + ... + 736902.

It is an arithmetic number, because the mean of its divisors is an integer number (1170312).

Almost surely, 280316432 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 80316432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140437440).

80316432 is an abundant number, since it is smaller than the sum of its proper divisors (200558448).

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

80316432 is a wasteful number, since it uses less digits than its factorization.

80316432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 80316432 is about 8961.9435392107. The cubic root of 80316432 is about 431.4543006787.

The spelling of 80316432 in words is "eighty million, three hundred sixteen thousand, four hundred thirty-two".