Search a number
-
+
302342020 = 225109331419
BaseRepresentation
bin10010000001010…
…101111110000100
3210001220120021121
4102001111332010
51104344421040
650000123324
710330602421
oct2201257604
9701816247
10302342020
11145734042
1285306544
134a83ab06
142c222d48
151b822c4a
hex12055f84

302342020 has 48 divisors (see below), whose sum is σ = 644212800. Its totient is φ = 119180160.

The previous prime is 302342011. The next prime is 302342083. The reversal of 302342020 is 20243203.

302342020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 302341985 and 302342003.

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, 721371 + ... + 721789.

It is an arithmetic number, because the mean of its divisors is an integer number (13421100).

Almost surely, 2302342020 is an apocalyptic number.

It is an amenable number.

302342020 is an abundant number, since it is smaller than the sum of its proper divisors (341870780).

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

302342020 is a wasteful number, since it uses less digits than its factorization.

302342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 302342020 is about 17387.9849321306. The cubic root of 302342020 is about 671.1704646333.

Adding to 302342020 its reverse (20243203), we get a palindrome (322585223).

The spelling of 302342020 in words is "three hundred two million, three hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 109 218 331 419 436 545 662 838 1090 1324 1655 1676 2095 2180 3310 4190 6620 8380 36079 45671 72158 91342 138689 144316 180395 182684 228355 277378 360790 456710 554756 693445 721580 913420 1386890 2773780 15117101 30234202 60468404 75585505 151171010 302342020