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189075824 = 24723292531
BaseRepresentation
bin10110100010100…
…01000101110000
3111011210001021022
423101101011300
5341400411244
630432315012
74454055320
oct1321210560
9434701238
10189075824
1197801513
12533a2a68
1330230bb2
141b17b280
15118ec6ee
hexb451170

189075824 has 80 divisors (see below), whose sum is σ = 452113920. Its totient is φ = 74807040.

The previous prime is 189075793. The next prime is 189075839. The reversal of 189075824 is 428570981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73439 + ... + 75969.

It is an arithmetic number, because the mean of its divisors is an integer number (5651424).

Almost surely, 2189075824 is an apocalyptic number.

189075824 is a gapful number since it is divisible by the number (14) 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 189075824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226056960).

189075824 is an abundant number, since it is smaller than the sum of its proper divisors (263038096).

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

189075824 is a wasteful number, since it uses less digits than its factorization.

189075824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598 (or 2592 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 189075824 is about 13750.4845005549. The cubic root of 189075824 is about 573.9560885362.

The spelling of 189075824 in words is "one hundred eighty-nine million, seventy-five thousand, eight hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 23 28 29 46 56 58 92 112 116 161 184 203 232 322 368 406 464 644 667 812 1288 1334 1624 2531 2576 2668 3248 4669 5062 5336 9338 10124 10672 17717 18676 20248 35434 37352 40496 58213 70868 73399 74704 116426 141736 146798 232852 283472 293596 407491 465704 513793 587192 814982 931408 1027586 1174384 1629964 1688177 2055172 3259928 3376354 4110344 6519856 6752708 8220688 11817239 13505416 23634478 27010832 47268956 94537912 189075824