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316477980 = 223257131392
BaseRepresentation
bin10010110111010…
…001001000011100
3211001111202011200
4102313101020130
51122004243410
651223115500
710562006220
oct2267211034
9731452150
10316477980
11152709655
1289ba2b90
135074a0a0
1430062780
151cbb63c0
hex12dd121c

316477980 has 216 divisors, whose sum is σ = 1190079072. Its totient is φ = 66292992.

The previous prime is 316477969. The next prime is 316477981. The reversal of 316477980 is 89774613.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316477981) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 2276751 + ... + 2276889.

Almost surely, 2316477980 is an apocalyptic number.

316477980 is a gapful number since it is divisible by the number (30) 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 316477980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595039536).

316477980 is an abundant number, since it is smaller than the sum of its proper divisors (873601092).

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

316477980 is a wasteful number, since it uses less digits than its factorization.

316477980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 316477980 is about 17789.8279924231. The cubic root of 316477980 is about 681.4717115809.

The spelling of 316477980 in words is "three hundred sixteen million, four hundred seventy-seven thousand, nine hundred eighty".