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302104020 = 22352925987
BaseRepresentation
bin10010000000011…
…011110111010100
3210001110110210210
4102000123313110
51104314312040
645551045420
710325561511
oct2200336724
9701413723
10302104020
11145591249
1285210870
134a78669a
142c1a0308
151b7c7480
hex1201bdd4

302104020 has 72 divisors (see below), whose sum is σ = 876212064. Its totient is φ = 77770112.

The previous prime is 302104007. The next prime is 302104027. The reversal of 302104020 is 20401203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 302103987 and 302104005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302104027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47467 + ... + 53453.

It is an arithmetic number, because the mean of its divisors is an integer number (12169612).

Almost surely, 2302104020 is an apocalyptic number.

302104020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438106032).

302104020 is an abundant number, since it is smaller than the sum of its proper divisors (574108044).

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

302104020 is a wasteful number, since it uses less digits than its factorization.

302104020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057 (or 6026 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 302104020 is about 17381.1397785070. The cubic root of 302104020 is about 670.9943059641.

Adding to 302104020 its reverse (20401203), we get a palindrome (322505223).

The spelling of 302104020 in words is "three hundred two million, one hundred four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 841 870 1682 1740 2523 3364 4205 5046 5987 8410 10092 11974 12615 16820 17961 23948 25230 29935 35922 50460 59870 71844 89805 119740 173623 179610 347246 359220 520869 694492 868115 1041738 1736230 2083476 2604345 3472460 5035067 5208690 10070134 10417380 15105201 20140268 25175335 30210402 50350670 60420804 75526005 100701340 151052010 302104020