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164513122 = 2599771427
BaseRepresentation
bin10011100111001…
…00010101100010
3102110120010120121
421303210111202
5314103404442
624154030454
74035224044
oct1163442542
9373503517
10164513122
1184955164
124711842a
1328110a57
1417bc5a94
15e699967
hex9ce4562

164513122 has 16 divisors (see below), whose sum is σ = 251385120. Its totient is φ = 80723008.

The previous prime is 164513119. The next prime is 164513149. The reversal of 164513122 is 221315461.

It is a happy number.

It is a super-3 number, since 3×1645131223 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 114573 + ... + 115999.

It is an arithmetic number, because the mean of its divisors is an integer number (15711570).

Almost surely, 2164513122 is an apocalyptic number.

164513122 is a deficient number, since it is larger than the sum of its proper divisors (86871998).

164513122 is a wasteful number, since it uses less digits than its factorization.

164513122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 1440, while the sum is 25.

The square root of 164513122 is about 12826.2668769989. The cubic root of 164513122 is about 547.9406426021.

Adding to 164513122 its reverse (221315461), we get a palindrome (385828583).

The spelling of 164513122 in words is "one hundred sixty-four million, five hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 59 118 977 1427 1954 2854 57643 84193 115286 168386 1394179 2788358 82256561 164513122