Search a number
-
+
126586980 = 2232513471151
BaseRepresentation
bin1111000101110…
…01000001100100
322211012021200200
413202321001210
5224401240410
620321110500
73064654152
oct742710144
9284167620
10126586980
1165500743
1236488430
13202c2150
1412b523d2
15b1a73c0
hex78b9064

126586980 has 144 divisors (see below), whose sum is σ = 422682624. Its totient is φ = 30470400.

The previous prime is 126586951. The next prime is 126587011. The reversal of 126586980 is 89685621.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109405 + ... + 110555.

It is an arithmetic number, because the mean of its divisors is an integer number (2935296).

Almost surely, 2126586980 is an apocalyptic number.

126586980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126586980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211341312).

126586980 is an abundant number, since it is smaller than the sum of its proper divisors (296095644).

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

126586980 is a wasteful number, since it uses less digits than its factorization.

126586980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 126586980 is about 11251.0879473942. The cubic root of 126586980 is about 502.1070812770.

The spelling of 126586980 in words is "one hundred twenty-six million, five hundred eighty-six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 47 52 60 65 78 90 94 117 130 141 156 180 188 195 234 235 260 282 390 423 468 470 564 585 611 705 780 846 940 1151 1170 1222 1410 1692 1833 2115 2302 2340 2444 2820 3055 3453 3666 4230 4604 5499 5755 6110 6906 7332 8460 9165 10359 10998 11510 12220 13812 14963 17265 18330 20718 21996 23020 27495 29926 34530 36660 41436 44889 51795 54097 54990 59852 69060 74815 89778 103590 108194 109980 134667 149630 162291 179556 207180 216388 224445 269334 270485 299260 324582 448890 486873 538668 540970 649164 673335 703261 811455 897780 973746 1081940 1346670 1406522 1622910 1947492 2109783 2434365 2693340 2813044 3245820 3516305 4219566 4868730 6329349 7032610 8439132 9737460 10548915 12658698 14065220 21097830 25317396 31646745 42195660 63293490 126586980