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189059130 = 23351361883
BaseRepresentation
bin10110100010011…
…01000000111010
3111011202012101000
423101031000322
5341344343010
630432105430
74453655541
oct1321150072
9434665330
10189059130
119779aa17
1253395276
1330226410
141b175158
15118e77c0
hexb44d03a

189059130 has 128 divisors (see below), whose sum is σ = 552464640. Its totient is φ = 45722880.

The previous prime is 189059119. The next prime is 189059131. The reversal of 189059130 is 31950981.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189059131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213669 + ... + 214551.

It is an arithmetic number, because the mean of its divisors is an integer number (4316130).

Almost surely, 2189059130 is an apocalyptic number.

189059130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189059130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276232320).

189059130 is an abundant number, since it is smaller than the sum of its proper divisors (363405510).

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

189059130 is a wasteful number, since it uses less digits than its factorization.

189059130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 189059130 is about 13749.8774539994. The cubic root of 189059130 is about 573.9391960100.

The spelling of 189059130 in words is "one hundred eighty-nine million, fifty-nine thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 61 65 78 90 117 122 130 135 183 195 234 270 305 351 366 390 549 585 610 702 793 883 915 1098 1170 1586 1647 1755 1766 1830 2379 2649 2745 3294 3510 3965 4415 4758 5298 5490 7137 7930 7947 8235 8830 11479 11895 13245 14274 15894 16470 21411 22958 23790 23841 26490 34437 35685 39735 42822 47682 53863 57395 68874 71370 79470 103311 107055 107726 114790 119205 161589 172185 206622 214110 238410 269315 309933 323178 344370 484767 516555 538630 619866 700219 807945 969534 1033110 1400438 1454301 1549665 1615890 2100657 2423835 2908602 3099330 3501095 4201314 4847670 6301971 7002190 7271505 10503285 12603942 14543010 18905913 21006570 31509855 37811826 63019710 94529565 189059130