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303042020 = 225192334673
BaseRepresentation
bin10010000100000…
…000110111100100
3210010020010111112
4102010000313210
51110034321040
650023124152
710336546301
oct2204006744
9703203445
10303042020
11146071a56
12855a3658
134aa24608
142c3660a8
151b910365
hex12100de4

303042020 has 48 divisors (see below), whose sum is σ = 699027840. Its totient is φ = 109840896.

The previous prime is 303042007. The next prime is 303042023. The reversal of 303042020 is 20240303.

It is a junction number, because it is equal to n+sod(n) for n = 303041986 and 303042004.

It is not an unprimeable number, because it can be changed into a prime (303042023) 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, 8597 + ... + 26076.

It is an arithmetic number, because the mean of its divisors is an integer number (14563080).

Almost surely, 2303042020 is an apocalyptic number.

It is an amenable number.

303042020 is an abundant number, since it is smaller than the sum of its proper divisors (395985820).

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

303042020 is a wasteful number, since it uses less digits than its factorization.

303042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34724 (or 34722 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 303042020 is about 17408.1021366489. The cubic root of 303042020 is about 671.6880431541.

Adding to 303042020 its reverse (20240303), we get a palindrome (323282323).

The spelling of 303042020 in words is "three hundred three million, forty-two thousand, twenty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 34673 69346 138692 173365 346730 658787 693460 797479 1317574 1594958 2635148 3189916 3293935 3987395 6587870 7974790 13175740 15152101 15949580 30304202 60608404 75760505 151521010 303042020