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301043142 = 23429139461
BaseRepresentation
bin10001111100011…
…000110111000110
3202222110120120000
4101330120313012
51104031340032
645512222130
710313552541
oct2174306706
9688416500
10301043142
11144a27194
128499a946
134a4a484a
142bda5858
151b667e7c
hex11f18dc6

301043142 has 80 divisors (see below), whose sum is σ = 704365200. Its totient is φ = 95981760.

The previous prime is 301043107. The next prime is 301043161. The reversal of 301043142 is 241340103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 652792 + ... + 653252.

It is an arithmetic number, because the mean of its divisors is an integer number (8804565).

Almost surely, 2301043142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 301043142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352182600).

301043142 is an abundant number, since it is smaller than the sum of its proper divisors (403322058).

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

301043142 is a wasteful number, since it uses less digits than its factorization.

301043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 301043142 is about 17350.5948601193. The cubic root of 301043142 is about 670.2079565358.

Adding to 301043142 its reverse (241340103), we get a palindrome (542383245).

The spelling of 301043142 in words is "three hundred one million, forty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 81 87 139 162 174 261 278 417 461 522 783 834 922 1251 1383 1566 2349 2502 2766 3753 4031 4149 4698 7506 8062 8298 11259 12093 12447 13369 22518 24186 24894 26738 36279 37341 40107 64079 72558 74682 80214 108837 120321 128158 192237 217674 240642 326511 360963 384474 576711 653022 721926 1082889 1153422 1730133 1858291 2165778 3460266 3716582 5190399 5574873 10380798 11149746 16724619 33449238 50173857 100347714 150521571 301043142