Search a number
-
+
166992048 = 243243149181
BaseRepresentation
bin10011111010000…
…01100010110000
3102122020002000200
421331001202300
5320222221143
624323115200
74065260166
oct1175014260
9378202020
10166992048
1186298663
1247b12b00
132879b182
141826d236
15e9d91d3
hex9f418b0

166992048 has 120 divisors (see below), whose sum is σ = 484083600. Its totient is φ = 53706240.

The previous prime is 166992047. The next prime is 166992053. The reversal of 166992048 is 840299661.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166991994 and 166992012.

It is not an unprimeable number, because it can be changed into a prime (166992041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 922518 + ... + 922698.

It is an arithmetic number, because the mean of its divisors is an integer number (4034030).

Almost surely, 2166992048 is an apocalyptic number.

166992048 is a gapful number since it is divisible by the number (18) 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 166992048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242041800).

166992048 is an abundant number, since it is smaller than the sum of its proper divisors (317091552).

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

166992048 is a wasteful number, since it uses less digits than its factorization.

166992048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 166992048 is about 12922.5403075402. The cubic root of 166992048 is about 550.6791038418.

The spelling of 166992048 in words is "one hundred sixty-six million, nine hundred ninety-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 43 48 72 86 129 144 149 172 181 258 298 344 362 387 447 516 543 596 688 724 774 894 1032 1086 1192 1341 1448 1548 1629 1788 2064 2172 2384 2682 2896 3096 3258 3576 4344 5364 6192 6407 6516 7152 7783 8688 10728 12814 13032 15566 19221 21456 23349 25628 26064 26969 31132 38442 46698 51256 53938 57663 62264 70047 76884 80907 93396 102512 107876 115326 124528 140094 153768 161814 186792 215752 230652 242721 280188 307536 323628 373584 431504 461304 485442 560376 647256 922608 970884 1120752 1159667 1294512 1941768 2319334 3479001 3883536 4638668 6958002 9277336 10437003 13916004 18554672 20874006 27832008 41748012 55664016 83496024 166992048