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302242120 = 23519397687
BaseRepresentation
bin10010000000111…
…101100101001000
3210001201111020121
4102000331211020
51104333221440
645554033024
710330005235
oct2200754510
9701644217
10302242120
11145675a84
1285278774
134a8044bb
142c1d878c
151b80334a
hex1203d948

302242120 has 32 divisors (see below), whose sum is σ = 715838400. Its totient is φ = 114533568.

The previous prime is 302242081. The next prime is 302242123. The reversal of 302242120 is 21242203.

It is a junction number, because it is equal to n+sod(n) for n = 302242094 and 302242103.

It is not an unprimeable number, because it can be changed into a prime (302242123) by changing a digit.

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, 198084 + ... + 199603.

It is an arithmetic number, because the mean of its divisors is an integer number (22369950).

Almost surely, 2302242120 is an apocalyptic number.

It is an amenable number.

302242120 is an abundant number, since it is smaller than the sum of its proper divisors (413596280).

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

302242120 is a wasteful number, since it uses less digits than its factorization.

302242120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397717 (or 397713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 302242120 is about 17385.1120214970. The cubic root of 302242120 is about 671.0965336642.

Adding to 302242120 its reverse (21242203), we get a palindrome (323484323).

The spelling of 302242120 in words is "three hundred two million, two hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 397687 795374 1590748 1988435 3181496 3976870 7556053 7953740 15112106 15907480 30224212 37780265 60448424 75560530 151121060 302242120