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302141142 = 23282720297
BaseRepresentation
bin10010000000100…
…100111011010110
3210001112100201200
4102000210323112
51104322004032
645551533330
710326104652
oct2200447326
9701470650
10302141142
11145607126
128522a246
134a79a554
142c1ada62
151b7d347c
hex12024ed6

302141142 has 24 divisors (see below), whose sum is σ = 655463016. Its totient is φ = 100586976.

The previous prime is 302141107. The next prime is 302141207. The reversal of 302141142 is 241141203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4738 + ... + 25034.

It is an arithmetic number, because the mean of its divisors is an integer number (27310959).

Almost surely, 2302141142 is an apocalyptic number.

302141142 is an abundant number, since it is smaller than the sum of its proper divisors (353321874).

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

302141142 is a wasteful number, since it uses less digits than its factorization.

302141142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132 (or 21129 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 302141142 is about 17382.2076273412. The cubic root of 302141142 is about 671.0217883640.

Adding to 302141142 its reverse (241141203), we get a palindrome (543282345).

The spelling of 302141142 in words is "three hundred two million, one hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 827 1654 2481 4962 7443 14886 20297 40594 60891 121782 182673 365346 16785619 33571238 50356857 100713714 151070571 302141142