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164709936 = 2434196689
BaseRepresentation
bin10011101000101…
…00011000110000
3102110221010120000
421310110120300
5314131204221
624202150000
74040003616
oct1164243060
9373833500
10164709936
1184a7a016
12471b2300
132817c501
1417c376b6
15e6d7e26
hex9d14630

164709936 has 100 divisors (see below), whose sum is σ = 501883800. Its totient is φ = 52005888.

The previous prime is 164709911. The next prime is 164709947. The reversal of 164709936 is 639907461.

It is a junction number, because it is equal to n+sod(n) for n = 164709891 and 164709900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21280 + ... + 27968.

It is an arithmetic number, because the mean of its divisors is an integer number (5018838).

Almost surely, 2164709936 is an apocalyptic number.

164709936 is a gapful number since it is divisible by the number (16) 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 164709936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250941900).

164709936 is an abundant number, since it is smaller than the sum of its proper divisors (337173864).

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

164709936 is a wasteful number, since it uses less digits than its factorization.

164709936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728 (or 6713 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 164709936 is about 12833.9368862403. The cubic root of 164709936 is about 548.1590637051.

The spelling of 164709936 in words is "one hundred sixty-four million, seven hundred nine thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 81 108 114 144 152 162 171 216 228 304 324 342 432 456 513 648 684 912 1026 1296 1368 1539 2052 2736 3078 4104 6156 6689 8208 12312 13378 20067 24624 26756 40134 53512 60201 80268 107024 120402 127091 160536 180603 240804 254182 321072 361206 381273 481608 508364 541809 722412 762546 963216 1016728 1083618 1143819 1444824 1525092 2033456 2167236 2287638 2889648 3050184 3431457 4334472 4575276 6100368 6862914 8668944 9150552 10294371 13725828 18301104 20588742 27451656 41177484 54903312 82354968 164709936