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146223168 = 2637138369
BaseRepresentation
bin10001011011100…
…11000001000000
3101012010220110220
420231303001000
5244413120133
622302023040
73423606420
oct1055630100
9335126426
10146223168
11755a26a3
1240b77a80
13243a8ab0
14155c4480
15cc855b3
hex8b73040

146223168 has 112 divisors (see below), whose sum is σ = 476219520. Its totient is φ = 38559744.

The previous prime is 146223163. The next prime is 146223227. The reversal of 146223168 is 861322641.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (146223163) 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, 13288 + ... + 21656.

It is an arithmetic number, because the mean of its divisors is an integer number (4251960).

Almost surely, 2146223168 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 146223168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238109760).

146223168 is an abundant number, since it is smaller than the sum of its proper divisors (329996352).

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

146223168 is a wasteful number, since it uses less digits than its factorization.

146223168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404 (or 8394 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 146223168 is about 12092.2772048940. The cubic root of 146223168 is about 526.8318988761.

The spelling of 146223168 in words is "one hundred forty-six million, two hundred twenty-three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 448 546 624 672 728 832 1092 1248 1344 1456 2184 2496 2912 4368 5824 8369 8736 16738 17472 25107 33476 50214 58583 66952 100428 108797 117166 133904 175749 200856 217594 234332 267808 326391 351498 401712 435188 468664 535616 652782 702996 761579 803424 870376 937328 1305564 1405992 1523158 1606848 1740752 1874656 2284737 2611128 2811984 3046316 3481504 3749312 4569474 5222256 5623968 6092632 6963008 9138948 10444512 11247936 12185264 18277896 20889024 24370528 36555792 48741056 73111584 146223168