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42282870 = 23572953131
BaseRepresentation
bin1010000101001…
…0111101110110
32221120012012020
42201102331312
541311022440
64110134010
71022253450
oct241227566
987505166
1042282870
112195a823
12121b1306
1389b5966
1458892d0
153aa33d0
hex2852f76

42282870 has 128 divisors (see below), whose sum is σ = 123171840. Its totient is φ = 9085440.

The previous prime is 42282833. The next prime is 42282887. The reversal of 42282870 is 7828224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 322705 + ... + 322835.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 242282870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42282870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61585920).

42282870 is an abundant number, since it is smaller than the sum of its proper divisors (80888970).

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

42282870 is a wasteful number, since it uses less digits than its factorization.

42282870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 42282870 is about 6502.5279699514. The cubic root of 42282870 is about 348.3812870701.

The spelling of 42282870 in words is "forty-two million, two hundred eighty-two thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 53 58 70 87 105 106 131 145 159 174 203 210 262 265 290 318 371 393 406 435 530 609 655 742 786 795 870 917 1015 1113 1218 1310 1537 1590 1834 1855 1965 2030 2226 2751 3045 3074 3710 3799 3930 4585 4611 5502 5565 6090 6943 7598 7685 9170 9222 10759 11130 11397 13755 13886 15370 18995 20829 21518 22794 23055 26593 27510 32277 34715 37990 41658 46110 48601 53186 53795 56985 64554 69430 79779 97202 104145 107590 113970 132965 145803 159558 161385 201347 208290 243005 265930 291606 322770 398895 402694 486010 604041 729015 797790 1006735 1208082 1409429 1458030 2013470 2818858 3020205 4228287 6040410 7047145 8456574 14094290 21141435 42282870