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302142264 = 23312589261
BaseRepresentation
bin10010000000100…
…101001100111000
3210001112102021020
4102000211030320
51104322023024
645551542440
710326111144
oct2200451470
9701472236
10302142264
11145607a56
128522aa20
134a79ac08
142c1b0224
151b7d3979
hex12025338

302142264 has 16 divisors (see below), whose sum is σ = 755355720. Its totient is φ = 100714080.

The previous prime is 302142263. The next prime is 302142289. The reversal of 302142264 is 462241203.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 12589261 = 302142264 / (3 + 0 + 2 + 1 + 4 + 2 + 2 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302142263) 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, 6294607 + ... + 6294654.

Almost surely, 2302142264 is an apocalyptic number.

It is an amenable number.

302142264 is an abundant number, since it is smaller than the sum of its proper divisors (453213456).

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

302142264 is a wasteful number, since it uses less digits than its factorization.

302142264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12589270 (or 12589266 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 302142264 is about 17382.2399016928. The cubic root of 302142264 is about 671.0226189752.

Adding to 302142264 its reverse (462241203), we get a palindrome (764383467).

The spelling of 302142264 in words is "three hundred two million, one hundred forty-two thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 12589261 25178522 37767783 50357044 75535566 100714088 151071132 302142264