Search a number
-
+
313741540 = 22572241011
BaseRepresentation
bin10010101100110…
…101000011100100
3210212100201111001
4102230311003210
51120304212130
651044323044
710526521240
oct2254650344
9725321431
10313741540
1115110a732
12890a3484
134cccc6a8
142d94d420
151c8256ca
hex12b350e4

313741540 has 24 divisors (see below), whose sum is σ = 752980032. Its totient is φ = 107568480.

The previous prime is 313741529. The next prime is 313741543. The reversal of 313741540 is 45147313.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 313741499 and 313741508.

It is not an unprimeable number, because it can be changed into a prime (313741543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120366 + ... + 1120645.

It is an arithmetic number, because the mean of its divisors is an integer number (31374168).

Almost surely, 2313741540 is an apocalyptic number.

It is an amenable number.

313741540 is an abundant number, since it is smaller than the sum of its proper divisors (439238492).

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

313741540 is a wasteful number, since it uses less digits than its factorization.

313741540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241027 (or 2241025 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 313741540 is about 17712.7507745127. The cubic root of 313741540 is about 679.5018987815.

Adding to 313741540 its reverse (45147313), we get a palindrome (358888853).

The spelling of 313741540 in words is "three hundred thirteen million, seven hundred forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2241011 4482022 8964044 11205055 15687077 22410110 31374154 44820220 62748308 78435385 156870770 313741540