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189575046 = 23319434297
BaseRepresentation
bin10110100110010…
…10111110000110
3111012201102002000
423103022332012
5342012400141
630451130130
74461234633
oct1323127606
9435642060
10189575046
11980125a1
12535a3946
13303771ab
141b26b18a
151199a5b6
hexb4caf86

189575046 has 64 divisors (see below), whose sum is σ = 453868800. Its totient is φ = 58459968.

The previous prime is 189575033. The next prime is 189575063. The reversal of 189575046 is 640575981.

It is a junction number, because it is equal to n+sod(n) for n = 189574992 and 189575010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41970 + ... + 46266.

It is an arithmetic number, because the mean of its divisors is an integer number (7091700).

Almost surely, 2189575046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189575046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226934400).

189575046 is an abundant number, since it is smaller than the sum of its proper divisors (264293754).

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

189575046 is a wasteful number, since it uses less digits than its factorization.

189575046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370 (or 4364 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 189575046 is about 13768.6254215880. The cubic root of 189575046 is about 574.4607885215.

The spelling of 189575046 in words is "one hundred eighty-nine million, five hundred seventy-five thousand, forty-six".

Divisors: 1 2 3 6 9 18 19 27 38 43 54 57 86 114 129 171 258 342 387 513 774 817 1026 1161 1634 2322 2451 4297 4902 7353 8594 12891 14706 22059 25782 38673 44118 77346 81643 116019 163286 184771 232038 244929 369542 489858 554313 734787 1108626 1469574 1662939 2204361 3325878 3510649 4408722 4988817 7021298 9977634 10531947 21063894 31595841 63191682 94787523 189575046