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308270196 = 2232132232203
BaseRepresentation
bin10010010111111…
…101010001110100
3210111001202012200
4102113331101310
51112404121241
650331144500
710432152633
oct2227752164
9714052180
10308270196
11149012a63
12872a5130
134bb35200
142cd2751a
151c0e44b6
hex125fd474

308270196 has 108 divisors (see below), whose sum is σ = 880877088. Its totient is φ = 90687168.

The previous prime is 308270191. The next prime is 308270213. The reversal of 308270196 is 691072803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 308270196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308270191) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 138831 + ... + 141033.

Almost surely, 2308270196 is an apocalyptic number.

308270196 is a gapful number since it is divisible by the number (36) 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 308270196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440438544).

308270196 is an abundant number, since it is smaller than the sum of its proper divisors (572606892).

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

308270196 is a wasteful number, since it uses less digits than its factorization.

308270196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 308270196 is about 17557.6250102342. The cubic root of 308270196 is about 675.5287642828.

The spelling of 308270196 in words is "three hundred eight million, two hundred seventy thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 13 18 23 26 36 39 46 52 69 78 92 117 138 156 169 207 234 276 299 338 414 468 507 598 676 828 897 1014 1196 1521 1794 2028 2203 2691 3042 3588 3887 4406 5382 6084 6609 7774 8812 10764 11661 13218 15548 19827 23322 26436 28639 34983 39654 46644 50669 57278 69966 79308 85917 101338 114556 139932 152007 171834 202676 257751 304014 343668 372307 456021 515502 608028 658697 744614 912042 1031004 1116921 1317394 1489228 1824084 1976091 2233842 2634788 3350763 3952182 4467684 5928273 6701526 7904364 8563061 11856546 13403052 17126122 23713092 25689183 34252244 51378366 77067549 102756732 154135098 308270196