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302153142 = 2350358857
BaseRepresentation
bin10010000000100…
…111110110110110
3210001112222012010
4102000213312312
51104322400032
645552105050
710326154644
oct2200476666
9701488163
10302153142
11145615145
1285235186
134a7a2b55
142c1b4194
151b7d6ccc
hex12027db6

302153142 has 8 divisors (see below), whose sum is σ = 604306296. Its totient is φ = 100717712.

The previous prime is 302153129. The next prime is 302153147. The reversal of 302153142 is 241351203.

302153142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

302153142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302153147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25179423 + ... + 25179434.

It is an arithmetic number, because the mean of its divisors is an integer number (75538287).

Almost surely, 2302153142 is an apocalyptic number.

302153142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

302153142 is a wasteful number, since it uses less digits than its factorization.

302153142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50358862.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 302153142 is about 17382.5528044646. The cubic root of 302153142 is about 671.0306718004.

The spelling of 302153142 in words is "three hundred two million, one hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 50358857 100717714 151076571 302153142