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164089152 = 26363517
BaseRepresentation
bin10011100011111…
…00110101000000
3102102202121000000
421301330311000
5314001323102
624141000000
74031510013
oct1161746500
9372677000
10164089152
1184695677
1246b53000
1327cc2a96
1417b1537a
15e61401c
hex9c7cd40

164089152 has 98 divisors (see below), whose sum is σ = 488337098. Its totient is φ = 54680832.

The previous prime is 164089141. The next prime is 164089157. The reversal of 164089152 is 251980461.

164089152 is a `hidden beast` number, since 1 + 640 + 8 + 9 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 162409536 + 1679616 = 12744^2 + 1296^2 .

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 (164089157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 44898 + ... + 48414.

Almost surely, 2164089152 is an apocalyptic number.

164089152 is a gapful number since it is divisible by the number (12) 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 164089152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244168549).

164089152 is an abundant number, since it is smaller than the sum of its proper divisors (324247946).

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

164089152 is an frugal number, since it uses more digits than its factorization.

164089152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 164089152 is about 12809.7288027499. The cubic root of 164089152 is about 547.4695348032.

The spelling of 164089152 in words is "one hundred sixty-four million, eighty-nine thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 729 864 972 1296 1458 1728 1944 2592 2916 3517 3888 5184 5832 7034 7776 10551 11664 14068 15552 21102 23328 28136 31653 42204 46656 56272 63306 84408 94959 112544 126612 168816 189918 225088 253224 284877 337632 379836 506448 569754 675264 759672 854631 1012896 1139508 1519344 1709262 2025792 2279016 2563893 3038688 3418524 4558032 5127786 6077376 6837048 9116064 10255572 13674096 18232128 20511144 27348192 41022288 54696384 82044576 164089152