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189300552 = 23371577177
BaseRepresentation
bin10110100100001…
…11111101001000
3111012012110112120
423102013331020
5341430104202
630441211240
74456012440
oct1322077510
9435173476
10189300552
1197945341
1253490b20
13302ac27c
141b1d9120
15119440bc
hexb487f48

189300552 has 64 divisors (see below), whose sum is σ = 544379520. Its totient is φ = 53733888.

The previous prime is 189300533. The next prime is 189300569. The reversal of 189300552 is 255003981.

189300552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22788 + ... + 29964.

It is an arithmetic number, because the mean of its divisors is an integer number (8505930).

Almost surely, 2189300552 is an apocalyptic number.

189300552 is a gapful number since it is divisible by the number (12) 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 189300552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272189760).

189300552 is an abundant number, since it is smaller than the sum of its proper divisors (355078968).

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

189300552 is a wasteful number, since it uses less digits than its factorization.

189300552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350 (or 7346 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 189300552 is about 13758.6537132090. The cubic root of 189300552 is about 574.1833922939.

The spelling of 189300552 in words is "one hundred eighty-nine million, three hundred thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 157 168 314 471 628 942 1099 1256 1884 2198 3297 3768 4396 6594 7177 8792 13188 14354 21531 26376 28708 43062 50239 57416 86124 100478 150717 172248 200956 301434 401912 602868 1126789 1205736 2253578 3380367 4507156 6760734 7887523 9014312 13521468 15775046 23662569 27042936 31550092 47325138 63100184 94650276 189300552