Search a number
-
+
302484220 = 225103146837
BaseRepresentation
bin10010000001111…
…000101011111100
3210002011210100021
4102001320223330
51104413443340
650003141524
710332034123
oct2201705374
9702153307
10302484220
11145820965
12853748a4
134a88a75c
142c25caba
151b84ee4a
hex12078afc

302484220 has 24 divisors (see below), whose sum is σ = 641388384. Its totient is φ = 119818176.

The previous prime is 302484173. The next prime is 302484223. The reversal of 302484220 is 22484203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302484223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71359 + ... + 75478.

It is an arithmetic number, because the mean of its divisors is an integer number (26724516).

Almost surely, 2302484220 is an apocalyptic number.

It is an amenable number.

302484220 is an abundant number, since it is smaller than the sum of its proper divisors (338904164).

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

302484220 is a wasteful number, since it uses less digits than its factorization.

302484220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146949 (or 146947 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 302484220 is about 17392.0734819055. The cubic root of 302484220 is about 671.2756716228.

The spelling of 302484220 in words is "three hundred two million, four hundred eighty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 146837 293674 587348 734185 1468370 2936740 15124211 30248422 60496844 75621055 151242110 302484220