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189116160 = 2835172897
BaseRepresentation
bin10110100010110…
…10111100000000
3111011212002121020
423101122330000
5341403204120
630433225440
74454314032
oct1321327400
9434762536
10189116160
1197829852
1253402280
133024636c
141b18bc52
1511909640
hexb45af00

189116160 has 144 divisors (see below), whose sum is σ = 639739296. Its totient is φ = 47448064.

The previous prime is 189116141. The next prime is 189116171. The reversal of 189116160 is 61611981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63832 + ... + 66728.

It is an arithmetic number, because the mean of its divisors is an integer number (4442634).

Almost surely, 2189116160 is an apocalyptic number.

189116160 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 189116160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319869648).

189116160 is an abundant number, since it is smaller than the sum of its proper divisors (450623136).

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

189116160 is a wasteful number, since it uses less digits than its factorization.

189116160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 189116160 is about 13751.9511342936. The cubic root of 189116160 is about 573.9969001115.

The spelling of 189116160 in words is "one hundred eighty-nine million, one hundred sixteen thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 240 255 256 272 320 340 384 408 480 510 544 640 680 768 816 960 1020 1088 1280 1360 1632 1920 2040 2176 2720 2897 3264 3840 4080 4352 5440 5794 6528 8160 8691 10880 11588 13056 14485 16320 17382 21760 23176 28970 32640 34764 43455 46352 49249 57940 65280 69528 86910 92704 98498 115880 139056 147747 173820 185408 196996 231760 246245 278112 295494 347640 370816 393992 463520 492490 556224 590988 695280 738735 741632 787984 927040 984980 1112448 1181976 1390560 1477470 1575968 1854080 1969960 2224896 2363952 2781120 2954940 3151936 3708160 3939920 4727904 5562240 5909880 6303872 7879840 9455808 11124480 11819760 12607744 15759680 18911616 23639520 31519360 37823232 47279040 63038720 94558080 189116160