Search a number
-
+
315442200 = 233522631999
BaseRepresentation
bin10010110011010…
…100010000011000
3210222120010100110
4102303110100120
51121223122300
651145004320
710550133363
oct2263242030
9728503313
10315442200
11152071437
12897836a0
13504767b8
142dc730da
151ca5e550
hex12cd4418

315442200 has 96 divisors (see below), whose sum is σ = 982080000. Its totient is φ = 83756160.

The previous prime is 315442189. The next prime is 315442201. The reversal of 315442200 is 2244513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315442201) 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 23 ways as a sum of consecutive naturals, for example, 156801 + ... + 158799.

It is an arithmetic number, because the mean of its divisors is an integer number (10230000).

Almost surely, 2315442200 is an apocalyptic number.

315442200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315442200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491040000).

315442200 is an abundant number, since it is smaller than the sum of its proper divisors (666637800).

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

315442200 is a wasteful number, since it uses less digits than its factorization.

315442200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 315442200 is about 17760.6925540644. The cubic root of 315442200 is about 680.7274510363.

Adding to 315442200 its reverse (2244513), we get a palindrome (317686713).

It can be divided in two parts, 3154 and 42200, that added together give a palindrome (45354).

The spelling of 315442200 in words is "three hundred fifteen million, four hundred forty-two thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 263 300 526 600 789 1052 1315 1578 1999 2104 2630 3156 3945 3998 5260 5997 6312 6575 7890 7996 9995 10520 11994 13150 15780 15992 19725 19990 23988 26300 29985 31560 39450 39980 47976 49975 52600 59970 78900 79960 99950 119940 149925 157800 199900 239880 299850 399800 525737 599700 1051474 1199400 1577211 2102948 2628685 3154422 4205896 5257370 6308844 7886055 10514740 12617688 13143425 15772110 21029480 26286850 31544220 39430275 52573700 63088440 78860550 105147400 157721100 315442200