Search a number
-
+
305014040 = 23523331537
BaseRepresentation
bin10010001011100…
…010010100011000
3210020221022121022
4102023202110120
51111040422130
650133302012
710362401522
oct2213422430
9706838538
10305014040
11147199621
1286194908
134b2650a6
142c71aa12
151bb9e7e5
hex122e2518

305014040 has 32 divisors (see below), whose sum is σ = 716122080. Its totient is φ = 116700672.

The previous prime is 305014037. The next prime is 305014043. The reversal of 305014040 is 40410503.

It is an interprime number because it is at equal distance from previous prime (305014037) and next prime (305014043).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305014043) 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 7 ways as a sum of consecutive naturals, for example, 164849 + ... + 166688.

It is an arithmetic number, because the mean of its divisors is an integer number (22378815).

Almost surely, 2305014040 is an apocalyptic number.

It is an amenable number.

305014040 is an abundant number, since it is smaller than the sum of its proper divisors (411108040).

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

305014040 is a wasteful number, since it uses less digits than its factorization.

305014040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331571 (or 331567 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 305014040 is about 17464.6511559779. The cubic root of 305014040 is about 673.1418782751.

Adding to 305014040 its reverse (40410503), we get a palindrome (345424543).

The spelling of 305014040 in words is "three hundred five million, fourteen thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 331537 663074 1326148 1657685 2652296 3315370 6630740 7625351 13261480 15250702 30501404 38126755 61002808 76253510 152507020 305014040