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189677796 = 2237111031993
BaseRepresentation
bin10110100111001…
…00000011100100
3111012220122000120
423103210003210
5342024142141
630453241540
74462143330
oct1323440344
9435818016
10189677796
1198082810
12536332b0
13303b1ba9
141b2967c0
15119bac66
hexb4e40e4

189677796 has 96 divisors (see below), whose sum is σ = 557426688. Its totient is φ = 48764160.

The previous prime is 189677791. The next prime is 189677797. The reversal of 189677796 is 697776981.

It is a happy number.

189677796 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189677791) 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, 94176 + ... + 96168.

It is an arithmetic number, because the mean of its divisors is an integer number (5806528).

Almost surely, 2189677796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189677796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278713344).

189677796 is an abundant number, since it is smaller than the sum of its proper divisors (367748892).

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

189677796 is a wasteful number, since it uses less digits than its factorization.

189677796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2119 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 60.

The square root of 189677796 is about 13772.3562254249. The cubic root of 189677796 is about 574.5645560205.

The spelling of 189677796 in words is "one hundred eighty-nine million, six hundred seventy-seven thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 103 132 154 206 231 308 309 412 462 618 721 924 1133 1236 1442 1993 2163 2266 2884 3399 3986 4326 4532 5979 6798 7931 7972 8652 11958 13596 13951 15862 21923 23793 23916 27902 31724 41853 43846 47586 55804 65769 83706 87692 95172 131538 153461 167412 205279 263076 306922 410558 460383 613844 615837 821116 920766 1231674 1436953 1841532 2258069 2463348 2873906 4310859 4516138 5747812 6774207 8621718 9032276 13548414 15806483 17243436 27096828 31612966 47419449 63225932 94838898 189677796