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189552700 = 225229163401
BaseRepresentation
bin10110100110001…
…01100000111100
3111012200021102101
423103011200330
5342011141300
630450434444
74461112531
oct1323054074
9435607371
10189552700
1197aa7827
1253592a24
1330369c7c
141b262d88
1511993b6a
hexb4c583c

189552700 has 72 divisors (see below), whose sum is σ = 429191280. Its totient is φ = 72576000.

The previous prime is 189552697. The next prime is 189552709. The reversal of 189552700 is 7255981.

It is a self number, because there is not a number n which added to its sum of digits gives 189552700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189552709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472500 + ... + 472900.

It is an arithmetic number, because the mean of its divisors is an integer number (5960990).

Almost surely, 2189552700 is an apocalyptic number.

189552700 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 189552700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214595640).

189552700 is an abundant number, since it is smaller than the sum of its proper divisors (239638580).

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

189552700 is a wasteful number, since it uses less digits than its factorization.

189552700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 189552700 is about 13767.8139150702. The cubic root of 189552700 is about 574.4382162729.

The spelling of 189552700 in words is "one hundred eighty-nine million, five hundred fifty-two thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 163 290 326 401 580 652 725 802 815 1450 1604 1630 2005 2900 3260 4010 4075 4727 8020 8150 9454 10025 11629 16300 18908 20050 23258 23635 40100 46516 47270 58145 65363 94540 116290 118175 130726 232580 236350 261452 290725 326815 472700 581450 653630 1162900 1307260 1634075 1895527 3268150 3791054 6536300 7582108 9477635 18955270 37910540 47388175 94776350 189552700