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164614842 = 2347178539
BaseRepresentation
bin10011100111111…
…01001010111010
3102110202022010000
421303331022322
5314120133332
624200133430
74036126440
oct1163751272
9373668100
10164614842
1184a14627
1247167276
1328148142
1417c10b90
15e6b9b7c
hex9cfd2ba

164614842 has 80 divisors (see below), whose sum is σ = 446402880. Its totient is φ = 44260992.

The previous prime is 164614837. The next prime is 164614871. The reversal of 164614842 is 248416461.

It is a happy number.

164614842 is a `hidden beast` number, since 1 + 646 + 1 + 4 + 8 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 164614797 and 164614806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15009 + ... + 23547.

It is an arithmetic number, because the mean of its divisors is an integer number (5580036).

Almost surely, 2164614842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164614842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223201440).

164614842 is an abundant number, since it is smaller than the sum of its proper divisors (281788038).

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

164614842 is a wasteful number, since it uses less digits than its factorization.

164614842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577 (or 8568 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 164614842 is about 12830.2315645510. The cubic root of 164614842 is about 548.0535516068.

The spelling of 164614842 in words is "one hundred sixty-four million, six hundred fourteen thousand, eight hundred forty-two".

Divisors: 1 2 3 6 7 9 14 17 18 21 27 34 42 51 54 63 81 102 119 126 153 162 189 238 306 357 378 459 567 714 918 1071 1134 1377 2142 2754 3213 6426 8539 9639 17078 19278 25617 51234 59773 76851 119546 145163 153702 179319 230553 290326 358638 435489 461106 537957 691659 870978 1016141 1075914 1306467 1383318 1613871 2032282 2612934 3048423 3227742 3919401 4841613 6096846 7838802 9145269 9683226 11758203 18290538 23516406 27435807 54871614 82307421 164614842