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302010020 = 225131318867
BaseRepresentation
bin10010000000000…
…100111010100100
3210001021200212022
4102000010322210
51104303310040
645545042312
710325020454
oct2200047244
9701250768
10302010020
11145527664
1285186398
134a752970
142c177d64
151b7a96b5
hex12004ea4

302010020 has 48 divisors (see below), whose sum is σ = 688298688. Its totient is φ = 110647680.

The previous prime is 302010017. The next prime is 302010047. The reversal of 302010020 is 20010203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29627 + ... + 38493.

It is an arithmetic number, because the mean of its divisors is an integer number (14339556).

Almost surely, 2302010020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344149344).

302010020 is an abundant number, since it is smaller than the sum of its proper divisors (386288668).

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

302010020 is a wasteful number, since it uses less digits than its factorization.

302010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020 (or 9018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 302010020 is about 17378.4354876957. The cubic root of 302010020 is about 670.9247052046.

Adding to 302010020 its reverse (20010203), we get a palindrome (322020223).

The spelling of 302010020 in words is "three hundred two million, ten thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 131 260 262 524 655 1310 1703 2620 3406 6812 8515 8867 17030 17734 34060 35468 44335 88670 115271 177340 230542 461084 576355 1152710 1161577 2305420 2323154 4646308 5807885 11615770 15100501 23231540 30201002 60402004 75502505 151005010 302010020