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189001350 = 23452232029
BaseRepresentation
bin10110100001111…
…10111010000110
3111011122021010000
423100332322012
5341341020400
630430542130
74453325226
oct1320767206
9434567100
10189001350
119776056a
1253367946
1330206025
141b15c086
15118d5600
hexb43ee86

189001350 has 120 divisors (see below), whose sum is σ = 548246160. Its totient is φ = 48185280.

The previous prime is 189001301. The next prime is 189001357. The reversal of 189001350 is 53100981.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189001357) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 92136 + ... + 94164.

It is an arithmetic number, because the mean of its divisors is an integer number (4568718).

Almost surely, 2189001350 is an apocalyptic number.

189001350 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 189001350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274123080).

189001350 is an abundant number, since it is smaller than the sum of its proper divisors (359244810).

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

189001350 is a wasteful number, since it uses less digits than its factorization.

189001350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 189001350 is about 13747.7761838051. The cubic root of 189001350 is about 573.8807212079.

The spelling of 189001350 in words is "one hundred eighty-nine million, one thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 23 25 27 30 45 46 50 54 69 75 81 90 115 135 138 150 162 207 225 230 270 345 405 414 450 575 621 675 690 810 1035 1150 1242 1350 1725 1863 2025 2029 2070 3105 3450 3726 4050 4058 5175 6087 6210 9315 10145 10350 12174 15525 18261 18630 20290 30435 31050 36522 46575 46667 50725 54783 60870 91305 93150 93334 101450 109566 140001 152175 164349 182610 233335 273915 280002 304350 328698 420003 456525 466670 547830 700005 821745 840006 913050 1166675 1260009 1369575 1400010 1643490 2100015 2333350 2520018 2739150 3500025 3780027 4108725 4200030 6300045 7000050 7560054 8217450 10500075 12600090 18900135 21000150 31500225 37800270 63000450 94500675 189001350