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316133272 = 23713434249
BaseRepresentation
bin10010110101111…
…100111110011000
3211000212020022201
4102311330332120
51121412231042
651211455544
710556042230
oct2265747630
9730766281
10316133272
111524a3674
1289a575b4
1350659210
142ddb2cc0
151cb491b7
hex12d7cf98

316133272 has 32 divisors (see below), whose sum is σ = 729540000. Its totient is φ = 125063424.

The previous prime is 316133249. The next prime is 316133281. The reversal of 316133272 is 272331613.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 316133272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216397 + ... + 217852.

It is an arithmetic number, because the mean of its divisors is an integer number (22798125).

Almost surely, 2316133272 is an apocalyptic number.

It is an amenable number.

316133272 is an abundant number, since it is smaller than the sum of its proper divisors (413406728).

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

316133272 is a wasteful number, since it uses less digits than its factorization.

316133272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434275 (or 434271 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 316133272 is about 17780.1370073461. The cubic root of 316133272 is about 681.2242019016.

Adding to 316133272 its reverse (272331613), we get a palindrome (588464885).

The spelling of 316133272 in words is "three hundred sixteen million, one hundred thirty-three thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 434249 868498 1736996 3039743 3473992 5645237 6079486 11290474 12158972 22580948 24317944 39516659 45161896 79033318 158066636 316133272