Search a number
-
+
312300340 = 225111974713
BaseRepresentation
bin10010100111010…
…101001100110100
3210202122111112021
4102213111030310
51114422102330
650553402524
710511336422
oct2247251464
9722574467
10312300340
11150315960
1288709444
134c916701
142d696112
151c63d67a
hex129d5334

312300340 has 48 divisors (see below), whose sum is σ = 753117120. Its totient is φ = 107585280.

The previous prime is 312300311. The next prime is 312300341. The reversal of 312300340 is 43003213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312300341) 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, 33177 + ... + 41536.

It is an arithmetic number, because the mean of its divisors is an integer number (15689940).

Almost surely, 2312300340 is an apocalyptic number.

It is an amenable number.

312300340 is an abundant number, since it is smaller than the sum of its proper divisors (440816780).

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

312300340 is a wasteful number, since it uses less digits than its factorization.

312300340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74752 (or 74750 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 312300340 is about 17672.0213897562. The cubic root of 312300340 is about 678.4598505263.

Adding to 312300340 its reverse (43003213), we get a palindrome (355303553).

The spelling of 312300340 in words is "three hundred twelve million, three hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 74713 149426 298852 373565 747130 821843 1419547 1494260 1643686 2839094 3287372 4109215 5678188 7097735 8218430 14195470 15615017 16436860 28390940 31230034 62460068 78075085 156150170 312300340