Search a number
-
+
80172324 = 223219231199
BaseRepresentation
bin1001100011101…
…01010100100100
312120212011202100
410301311110210
5131011003244
611542212100
71662311361
oct461652444
9176764670
1080172324
1141289721
1222a24030
13137c095b
14a90d468
157089b69
hex4c75524

80172324 has 108 divisors (see below), whose sum is σ = 221894400. Its totient is φ = 24377760.

The previous prime is 80172317. The next prime is 80172329. The reversal of 80172324 is 42327108.

It is not an unprimeable number, because it can be changed into a prime (80172329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 402777 + ... + 402975.

Almost surely, 280172324 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 80172324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110947200).

80172324 is an abundant number, since it is smaller than the sum of its proper divisors (141722076).

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

80172324 is a wasteful number, since it uses less digits than its factorization.

80172324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 80172324 is about 8953.8999324317. The cubic root of 80172324 is about 431.1961001319.

The spelling of 80172324 in words is "eighty million, one hundred seventy-two thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 19 31 36 38 57 62 76 93 114 124 171 186 199 228 279 342 361 372 398 558 589 597 684 722 796 1083 1116 1178 1194 1444 1767 1791 2166 2356 2388 3249 3534 3582 3781 4332 5301 6169 6498 7068 7164 7562 10602 11191 11343 12338 12996 15124 18507 21204 22382 22686 24676 33573 34029 37014 44764 45372 55521 67146 68058 71839 74028 100719 111042 117211 134292 136116 143678 201438 215517 222084 234422 287356 351633 402876 431034 468844 646551 703266 862068 1054899 1293102 1406532 2109798 2227009 2586204 4219596 4454018 6681027 8908036 13362054 20043081 26724108 40086162 80172324