Search a number
-
+
80313352 = 2372211971
BaseRepresentation
bin1001100100101…
…11110000001000
312121010100012121
410302113300020
5131030011402
611545221024
71663436500
oct462276010
9177110177
1080313352
1141375679
1222a91774
131383cbc2
14a948a00
1570b6837
hex4c97c08

80313352 has 48 divisors (see below), whose sum is σ = 176184720. Its totient is φ = 34221600.

The previous prime is 80313341. The next prime is 80313353. The reversal of 80313352 is 25331308.

It is not an unprimeable number, because it can be changed into a prime (80313353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82227 + ... + 83197.

It is an arithmetic number, because the mean of its divisors is an integer number (3670515).

Almost surely, 280313352 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 80313352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88092360).

80313352 is an abundant number, since it is smaller than the sum of its proper divisors (95871368).

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

80313352 is a wasteful number, since it uses less digits than its factorization.

80313352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 80313352 is about 8961.7716998370. The cubic root of 80313352 is about 431.4487854261.

The spelling of 80313352 in words is "eighty million, three hundred thirteen thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 211 392 422 844 971 1477 1688 1942 2954 3884 5908 6797 7768 10339 11816 13594 20678 27188 41356 47579 54376 82712 95158 190316 204881 380632 409762 819524 1434167 1639048 2868334 5736668 10039169 11473336 20078338 40156676 80313352