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189394260 = 223511674283
BaseRepresentation
bin10110100100111…
…10110101010100
3111012101020002020
423102132311110
5341441104020
630443213140
74456552566
oct1322366524
9435336066
10189394260
11979a9790
12535171b0
1330312b13
141b221336
1511961c40
hexb49ed54

189394260 has 96 divisors (see below), whose sum is σ = 587284992. Its totient is φ = 45217920.

The previous prime is 189394253. The next prime is 189394267. The reversal of 189394260 is 62493981.

It is an interprime number because it is at equal distance from previous prime (189394253) and next prime (189394267).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189394267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42079 + ... + 46361.

It is an arithmetic number, because the mean of its divisors is an integer number (6117552).

Almost surely, 2189394260 is an apocalyptic number.

189394260 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 189394260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293642496).

189394260 is an abundant number, since it is smaller than the sum of its proper divisors (397890732).

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

189394260 is a wasteful number, since it uses less digits than its factorization.

189394260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 189394260 is about 13762.0587122712. The cubic root of 189394260 is about 574.2781211979.

The spelling of 189394260 in words is "one hundred eighty-nine million, three hundred ninety-four thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 67 110 132 134 165 201 220 268 330 335 402 660 670 737 804 1005 1340 1474 2010 2211 2948 3685 4020 4283 4422 7370 8566 8844 11055 12849 14740 17132 21415 22110 25698 42830 44220 47113 51396 64245 85660 94226 128490 141339 188452 235565 256980 282678 286961 471130 565356 573922 706695 860883 942260 1147844 1413390 1434805 1721766 2826780 2869610 3156571 3443532 4304415 5739220 6313142 8608830 9469713 12626284 15782855 17217660 18939426 31565710 37878852 47348565 63131420 94697130 189394260