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52164426 = 23107193421
BaseRepresentation
bin1100011011111…
…1011101001010
310122011020010210
43012333131022
5101323230201
65102021550
71202250606
oct306773512
9118136123
1052164426
11274999a6
12155778b6
13aa65632
146cdc506
1548a61d6
hex31bf74a

52164426 has 32 divisors (see below), whose sum is σ = 106100928. Its totient is φ = 17095680.

The previous prime is 52164403. The next prime is 52164439. The reversal of 52164426 is 62446125.

It is a super-2 number, since 2×521644262 = 5442254679818952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52164393 and 52164402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123696 + ... + 124116.

It is an arithmetic number, because the mean of its divisors is an integer number (3315654).

Almost surely, 252164426 is an apocalyptic number.

52164426 is an abundant number, since it is smaller than the sum of its proper divisors (53936502).

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

52164426 is a wasteful number, since it uses less digits than its factorization.

52164426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726.

The product of its digits is 11520, while the sum is 30.

The square root of 52164426 is about 7222.4944444423. The cubic root of 52164426 is about 373.6441132091.

The spelling of 52164426 in words is "fifty-two million, one hundred sixty-four thousand, four hundred twenty-six".

Divisors: 1 2 3 6 107 193 214 321 386 421 579 642 842 1158 1263 2526 20651 41302 45047 61953 81253 90094 123906 135141 162506 243759 270282 487518 8694071 17388142 26082213 52164426