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164024568 = 233317192351
BaseRepresentation
bin10011100011011…
…01000011111000
3102102122022102000
421301231003320
5313442241233
624135341000
74031120511
oct1161550370
9372568360
10164024568
11846510a4
1246b21760
1327c9c576
1417ad9a08
15e5eed13
hex9c6d0f8

164024568 has 128 divisors (see below), whose sum is σ = 508032000. Its totient is φ = 48729600.

The previous prime is 164024563. The next prime is 164024593. The reversal of 164024568 is 865420461.

164024568 is a `hidden beast` number, since 1 + 640 + 2 + 4 + 5 + 6 + 8 = 666.

164024568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164024563) 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, 68593 + ... + 70943.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 2164024568 is an apocalyptic number.

164024568 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 164024568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254016000).

164024568 is an abundant number, since it is smaller than the sum of its proper divisors (344007432).

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

164024568 is a wasteful number, since it uses less digits than its factorization.

164024568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 164024568 is about 12807.2076581900. The cubic root of 164024568 is about 547.3976990321.

The spelling of 164024568 in words is "one hundred sixty-four million, twenty-four thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 17 18 19 24 27 34 36 38 51 54 57 68 72 76 102 108 114 136 152 153 171 204 216 228 306 323 342 408 456 459 513 612 646 684 918 969 1026 1224 1292 1368 1836 1938 2052 2351 2584 2907 3672 3876 4104 4702 5814 7053 7752 8721 9404 11628 14106 17442 18808 21159 23256 28212 34884 39967 42318 44669 56424 63477 69768 79934 84636 89338 119901 126954 134007 159868 169272 178676 239802 253908 268014 319736 357352 359703 402021 479604 507816 536028 719406 759373 804042 959208 1072056 1079109 1206063 1438812 1518746 1608084 2158218 2278119 2412126 2877624 3037492 3216168 4316436 4556238 4824252 6074984 6834357 8632872 9112476 9648504 13668714 18224952 20503071 27337428 41006142 54674856 82012284 164024568