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306371030 = 2573179499
BaseRepresentation
bin10010010000101…
…101100111010110
3210100111021001012
4102100231213112
51111412333110
650222332222
710410053000
oct2220554726
9710437035
10306371030
11147a360a9
128672a072
134b61b944
142c991370
151bd6b905
hex1242d9d6

306371030 has 64 divisors (see below), whose sum is σ = 648000000. Its totient is φ = 104245344.

The previous prime is 306371027. The next prime is 306371057. The reversal of 306371030 is 30173603.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 306370987 and 306371005.

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, 613721 + ... + 614219.

It is an arithmetic number, because the mean of its divisors is an integer number (10125000).

Almost surely, 2306371030 is an apocalyptic number.

306371030 is an abundant number, since it is smaller than the sum of its proper divisors (341628970).

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

306371030 is a wasteful number, since it uses less digits than its factorization.

306371030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 306371030 is about 17503.4576584171. The cubic root of 306371030 is about 674.1386580861.

The spelling of 306371030 in words is "three hundred six million, three hundred seventy-one thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 179 245 343 358 490 499 686 895 998 1253 1715 1790 2495 2506 3430 3493 4990 6265 6986 8771 12530 17465 17542 24451 34930 43855 48902 61397 87710 89321 122255 122794 171157 178642 244510 306985 342314 446605 613970 625247 855785 893210 1250494 1711570 3126235 4376729 6252470 8753458 21883645 30637103 43767290 61274206 153185515 306371030