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874533870 = 232572316397
BaseRepresentation
bin110100001000000…
…101001111101110
32020221120220221100
4310020011033232
53242340040440
6222440143530
730446262300
oct6410051756
92227526840
10874533870
11409719271
12204a67ba6
1310c24b282
148420b970
1551b9b230
hex342053ee

874533870 has 144 divisors (see below), whose sum is σ = 2730768768. Its totient is φ = 193415040.

The previous prime is 874533833. The next prime is 874533917. The reversal of 874533870 is 78335478.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 133512 + ... + 139908.

It is an arithmetic number, because the mean of its divisors is an integer number (18963672).

Almost surely, 2874533870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 874533870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365384384).

874533870 is an abundant number, since it is smaller than the sum of its proper divisors (1856234898).

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

874533870 is a wasteful number, since it uses less digits than its factorization.

874533870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 874533870 is about 29572.5188308335. The cubic root of 874533870 is about 956.2957184344.

The spelling of 874533870 in words is "eight hundred seventy-four million, five hundred thirty-three thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 31 35 42 45 49 62 63 70 90 93 98 105 126 147 155 186 210 217 245 279 294 310 315 434 441 465 490 558 630 651 735 882 930 1085 1302 1395 1470 1519 1953 2170 2205 2790 3038 3255 3906 4410 4557 6397 6510 7595 9114 9765 12794 13671 15190 19191 19530 22785 27342 31985 38382 44779 45570 57573 63970 68355 89558 95955 115146 134337 136710 191910 198307 223895 268674 287865 313453 396614 403011 447790 575730 594921 626906 671685 806022 940359 991535 1189842 1343370 1388149 1567265 1784763 1880718 1983070 2015055 2776298 2821077 2974605 3134530 3569526 4030110 4164447 4701795 5642154 5949210 6940745 8328894 8923815 9403590 9717043 12493341 13881490 14105385 17847630 19434086 20822235 24986682 28210770 29151129 41644470 48585215 58302258 62466705 87453387 97170430 124933410 145755645 174906774 291511290 437266935 874533870