Search a number
-
+
988312 = 231321743
BaseRepresentation
bin11110001010010011000
31212012201011
43301102120
5223111222
633103304
711254243
oct3612230
91765634
10988312
11615596
123b7b34
13287b00
141ba25a
15147c77
hexf1498

988312 has 48 divisors (see below), whose sum is σ = 2174040. Its totient is φ = 419328.

The previous prime is 988297. The next prime is 988313. The reversal of 988312 is 213889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988313) by changing a digit.

988312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22963 + ... + 23005.

2988312 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 988312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087020).

988312 is an abundant number, since it is smaller than the sum of its proper divisors (1185728).

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

988312 is a wasteful number, since it uses less digits than its factorization.

988312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 75 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 988312 is about 994.1388233039. The cubic root of 988312 is about 99.6088721848.

The spelling of 988312 in words is "nine hundred eighty-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 13 17 26 34 43 52 68 86 104 136 169 172 221 338 344 442 559 676 731 884 1118 1352 1462 1768 2236 2873 2924 4472 5746 5848 7267 9503 11492 14534 19006 22984 29068 38012 58136 76024 123539 247078 494156 988312