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303030012 = 223196783239
BaseRepresentation
bin10010000011111…
…101111011111100
3210010012112000210
4102003331323330
51110033430022
650022552420
710336466265
oct2203757374
9703175023
10303030012
11146063a2a
1285598710
134aa1bccc
142c36196c
151b90ba0c
hex120fdefc

303030012 has 96 divisors (see below), whose sum is σ = 767692800. Its totient is φ = 92740032.

The previous prime is 303029999. The next prime is 303030023. The reversal of 303030012 is 210030303.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 303030012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1267789 + ... + 1268027.

It is an arithmetic number, because the mean of its divisors is an integer number (7996800).

Almost surely, 2303030012 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 303030012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383846400).

303030012 is an abundant number, since it is smaller than the sum of its proper divisors (464662788).

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

303030012 is a wasteful number, since it uses less digits than its factorization.

303030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 303030012 is about 17407.7572363587. The cubic root of 303030012 is about 671.6791711870.

Adding to 303030012 its reverse (210030303), we get a palindrome (513060315).

The spelling of 303030012 in words is "three hundred three million, thirty thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 67 76 83 114 134 166 201 228 239 249 268 332 402 478 498 717 804 956 996 1273 1434 1577 2546 2868 3154 3819 4541 4731 5092 5561 6308 7638 9082 9462 11122 13623 15276 16013 16683 18164 18924 19837 22244 27246 32026 33366 39674 48039 54492 59511 64052 66732 79348 96078 105659 119022 192156 211318 238044 304247 316977 376903 422636 608494 633954 753806 912741 1130709 1216988 1267908 1329079 1507612 1825482 2261418 2658158 3650964 3987237 4522836 5316316 7974474 15948948 25252501 50505002 75757503 101010004 151515006 303030012