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318914412 = 223238912983
BaseRepresentation
bin10011000000100…
…011111101101100
3211020002112022220
4103000203331230
51123120230122
651351235340
710621504425
oct2300437554
9736075286
10318914412
11154023133
128a978b50
13510c106b
14304d864c
151cee825c
hex13023f6c

318914412 has 48 divisors (see below), whose sum is σ = 785272320. Its totient is φ = 100532608.

The previous prime is 318914383. The next prime is 318914413. The reversal of 318914412 is 214419813.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (318914413) 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, 18073 + ... + 31055.

It is an arithmetic number, because the mean of its divisors is an integer number (16359840).

Almost surely, 2318914412 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 318914412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392636160).

318914412 is an abundant number, since it is smaller than the sum of its proper divisors (466357908).

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

318914412 is a wasteful number, since it uses less digits than its factorization.

318914412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13102 (or 13100 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 318914412 is about 17858.1749347463. The cubic root of 318914412 is about 683.2160317918.

The spelling of 318914412 in words is "three hundred eighteen million, nine hundred fourteen thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 89 92 138 178 267 276 356 534 1068 2047 4094 6141 8188 12282 12983 24564 25966 38949 51932 77898 155796 298609 597218 895827 1155487 1194436 1791654 2310974 3466461 3583308 4621948 6932922 13865844 26576201 53152402 79728603 106304804 159457206 318914412