Search a number
302474172 = 223711133149
BaseRepresentation
bin10010000001110…
…110001110111100
3210002011021120010
4102001312032330
51104413133142
650003023220
710331662620
oct2201661674
9702137503
10302474172
11145814360
128536ab10
134a886000
142c259180
151b84be9c
hex120763bc

302474172 has 192 divisors, whose sum is σ = 959616000. Its totient is φ = 72034560.

The previous prime is 302474143. The next prime is 302474189. The reversal of 302474172 is 271474203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2029954 + ... + 2030102.

It is an arithmetic number, because the mean of its divisors is an integer number (4998000).

Almost surely, 2302474172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302474172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479808000).

302474172 is an abundant number, since it is smaller than the sum of its proper divisors (657141828).

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

302474172 is a wasteful number, since it uses less digits than its factorization.

302474172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 302474172 is about 17391.7846122817. The cubic root of 302474172 is about 671.2682386702.

It can be divided in two parts, 302 and 474172, that added together give a palindrome (474474).

The spelling of 302474172 in words is "three hundred two million, four hundred seventy-four thousand, one hundred seventy-two".