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70316208 = 24331391171
BaseRepresentation
bin1000011000011…
…11000010110000
311220022102201000
410030033002300
5121000104313
610551042000
71512451344
oct414170260
9156272630
1070316208
1136767676
121b670300
131174c731
1494a5624
15628e673
hex430f0b0

70316208 has 80 divisors (see below), whose sum is σ = 203459200. Its totient is φ = 23250240.

The previous prime is 70316203. The next prime is 70316219. The reversal of 70316208 is 80261307.

70316208 is a `hidden beast` number, since 7 + 0 + 31 + 620 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70316203) 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, 59463 + ... + 60633.

It is an arithmetic number, because the mean of its divisors is an integer number (2543240).

Almost surely, 270316208 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 70316208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101729600).

70316208 is an abundant number, since it is smaller than the sum of its proper divisors (133142992).

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

70316208 is a wasteful number, since it uses less digits than its factorization.

70316208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70316208 is about 8385.4760151109. The cubic root of 70316208 is about 412.7481614191.

The spelling of 70316208 in words is "seventy million, three hundred sixteen thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 139 144 216 278 417 432 556 834 1112 1171 1251 1668 2224 2342 2502 3336 3513 3753 4684 5004 6672 7026 7506 9368 10008 10539 14052 15012 18736 20016 21078 28104 30024 31617 42156 56208 60048 63234 84312 126468 162769 168624 252936 325538 488307 505872 651076 976614 1302152 1464921 1953228 2604304 2929842 3906456 4394763 5859684 7812912 8789526 11719368 17579052 23438736 35158104 70316208