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302412144 = 24315740129
BaseRepresentation
bin10010000001100…
…111000101110000
3210002001010110210
4102001213011300
51104404142034
650001424120
710331314026
oct2201470560
9702033423
10302412144
111457817a1
128533b040
134a8639c8
142c240716
151b8388e9
hex12067170

302412144 has 40 divisors (see below), whose sum is σ = 786226960. Its totient is φ = 100159488.

The previous prime is 302412109. The next prime is 302412179. The reversal of 302412144 is 441214203.

It is an interprime number because it is at equal distance from previous prime (302412109) and next prime (302412179).

It is a self number, because there is not a number n which added to its sum of digits gives 302412144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529 + ... + 27600.

It is an arithmetic number, because the mean of its divisors is an integer number (19655674).

Almost surely, 2302412144 is an apocalyptic number.

It is an amenable number.

302412144 is an abundant number, since it is smaller than the sum of its proper divisors (483814816).

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

302412144 is a wasteful number, since it uses less digits than its factorization.

302412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40297 (or 40291 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 302412144 is about 17390.0012650948. The cubic root of 302412144 is about 671.2223501540. Note that the first 3 decimals are identical.

Adding to 302412144 its reverse (441214203), we get a palindrome (743626347).

It can be divided in two parts, 30241 and 2144, that added together give a triangular number (32385 = T254).

The spelling of 302412144 in words is "three hundred two million, four hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 157 314 471 628 942 1256 1884 2512 3768 7536 40129 80258 120387 160516 240774 321032 481548 642064 963096 1926192 6300253 12600506 18900759 25201012 37801518 50402024 75603036 100804048 151206072 302412144