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302033421 = 3347238009
BaseRepresentation
bin10010000000001…
…010101000001101
3210001022212222000
4102000022220031
51104310032141
645545342513
710325145624
oct2200125015
9701285860
10302033421
111455431a8
1285197a39
134a760501
142c1826bb
151b7b15b6
hex1200aa0d

302033421 has 16 divisors (see below), whose sum is σ = 456979200. Its totient is φ = 197070624.

The previous prime is 302033377. The next prime is 302033471. The reversal of 302033421 is 124330203.

It is not a de Polignac number, because 302033421 - 219 = 301509133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302033394 and 302033403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302033471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117736 + ... + 120273.

It is an arithmetic number, because the mean of its divisors is an integer number (28561200).

Almost surely, 2302033421 is an apocalyptic number.

It is an amenable number.

302033421 is a deficient number, since it is larger than the sum of its proper divisors (154945779).

302033421 is a wasteful number, since it uses less digits than its factorization.

302033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238065 (or 238059 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 302033421 is about 17379.1087516017. The cubic root of 302033421 is about 670.9420334415.

Adding to 302033421 its reverse (124330203), we get a palindrome (426363624).

The spelling of 302033421 in words is "three hundred two million, thirty-three thousand, four hundred twenty-one".

Divisors: 1 3 9 27 47 141 423 1269 238009 714027 2142081 6426243 11186423 33559269 100677807 302033421