Search a number
-
+
302474190 = 23523834231
BaseRepresentation
bin10010000001110…
…110001111001110
3210002011021120210
4102001312033032
51104413133230
650003023250
710331662644
oct2201661716
9702137523
10302474190
11145814377
128536ab26
134a886015
142c259194
151b84beb0
hex120763ce

302474190 has 32 divisors (see below), whose sum is σ = 726414336. Its totient is φ = 80606880.

The previous prime is 302474189. The next prime is 302474191. The reversal of 302474190 is 91474203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (302474189) and next prime (302474191).

It is a super-2 number, since 2×3024741902 = 182981271232312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302474191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69375 + ... + 73605.

It is an arithmetic number, because the mean of its divisors is an integer number (22700448).

Almost surely, 2302474190 is an apocalyptic number.

302474190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302474190 is an abundant number, since it is smaller than the sum of its proper divisors (423940146).

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

302474190 is a wasteful number, since it uses less digits than its factorization.

302474190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 302474190 is about 17391.7851297674. The cubic root of 302474190 is about 671.2682519858.

The spelling of 302474190 in words is "three hundred two million, four hundred seventy-four thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2383 4231 4766 7149 8462 11915 12693 14298 21155 23830 25386 35745 42310 63465 71490 126930 10082473 20164946 30247419 50412365 60494838 100824730 151237095 302474190