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301139930 = 257131917417
BaseRepresentation
bin10001111100110…
…000011111011010
3202222122111022202
4101330300133122
51104042434210
645514250202
710314434660
oct2174603732
9688574282
10301139930
11144a92983
1284a26962
134a509910
142bdccc30
151b6869a5
hex11f307da

301139930 has 64 divisors (see below), whose sum is σ = 702293760. Its totient is φ = 90284544.

The previous prime is 301139903. The next prime is 301139977. The reversal of 301139930 is 39931103.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 301139893 and 301139902.

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, 8582 + ... + 25998.

It is an arithmetic number, because the mean of its divisors is an integer number (10973340).

Almost surely, 2301139930 is an apocalyptic number.

301139930 is an abundant number, since it is smaller than the sum of its proper divisors (401153830).

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

301139930 is a wasteful number, since it uses less digits than its factorization.

301139930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17463.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 301139930 is about 17353.3838198779. The cubic root of 301139930 is about 670.2797747439.

The spelling of 301139930 in words is "three hundred one million, one hundred thirty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 13 14 19 26 35 38 65 70 91 95 130 133 182 190 247 266 455 494 665 910 1235 1330 1729 2470 3458 8645 17290 17417 34834 87085 121919 174170 226421 243838 330923 452842 609595 661846 1132105 1219190 1584947 1654615 2264210 2316461 3169894 3309230 4301999 4632922 7924735 8603998 11582305 15849470 21509995 23164610 30113993 43019990 60227986 150569965 301139930