Search a number
-
+
86762940 = 223511472797
BaseRepresentation
bin1010010101111…
…10010110111100
320001021000101020
411022332112330
5134202403230
612335344140
72102321115
oct512762674
9201230336
1086762940
1144a80310
1225082050
1314c8a724
14b74720c
15793c810
hex52be5bc

86762940 has 96 divisors (see below), whose sum is σ = 270756864. Its totient is φ = 20578560.

The previous prime is 86762933. The next prime is 86762941. The reversal of 86762940 is 4926768.

It is a junction number, because it is equal to n+sod(n) for n = 86762892 and 86762901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86762941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29622 + ... + 32418.

It is an arithmetic number, because the mean of its divisors is an integer number (2820384).

Almost surely, 286762940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86762940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135378432).

86762940 is an abundant number, since it is smaller than the sum of its proper divisors (183993924).

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

86762940 is a wasteful number, since it uses less digits than its factorization.

86762940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2865 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 86762940 is about 9314.6626347925. The cubic root of 86762940 is about 442.7019347092.

The spelling of 86762940 in words is "eighty-six million, seven hundred sixty-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 47 55 60 66 94 110 132 141 165 188 220 235 282 330 470 517 564 660 705 940 1034 1410 1551 2068 2585 2797 2820 3102 5170 5594 6204 7755 8391 10340 11188 13985 15510 16782 27970 30767 31020 33564 41955 55940 61534 83910 92301 123068 131459 153835 167820 184602 262918 307670 369204 394377 461505 525836 615340 657295 788754 923010 1314590 1446049 1577508 1846020 1971885 2629180 2892098 3943770 4338147 5784196 7230245 7887540 8676294 14460490 17352588 21690735 28920980 43381470 86762940