Search a number
-
+
189079000 = 23531117189
BaseRepresentation
bin10110100010100…
…01110111011000
3111011210012121221
423101101313120
5341401012000
630432341424
74454100505
oct1321216730
9434705557
10189079000
1197803940
12533a4874
1330232486
141b17c4ac
15118ed61a
hexb451dd8

189079000 has 64 divisors (see below), whose sum is σ = 482695200. Its totient is φ = 68752000.

The previous prime is 189078983. The next prime is 189079001. The reversal of 189079000 is 970981.

189079000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189079001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406 + ... + 19594.

Almost surely, 2189079000 is an apocalyptic number.

189079000 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 189079000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241347600).

189079000 is an abundant number, since it is smaller than the sum of its proper divisors (293616200).

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

189079000 is a wasteful number, since it uses less digits than its factorization.

189079000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17221 (or 17207 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 189079000 is about 13750.5999869097. The cubic root of 189079000 is about 573.9593021929.

The spelling of 189079000 in words is "one hundred eighty-nine million, seventy-nine thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 17189 34378 68756 85945 137512 171890 189079 343780 378158 429725 687560 756316 859450 945395 1512632 1718900 1890790 2148625 3437800 3781580 4297250 4726975 7563160 8594500 9453950 17189000 18907900 23634875 37815800 47269750 94539500 189079000