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164223332 = 227131726539
BaseRepresentation
bin10011100100111…
…01100101100100
3102110000102001122
421302131211210
5314020121312
624143513112
74032606140
oct1162354544
9373012048
10164223332
1184777469
1246bb8798
132803bb90
1417b4c220
15e63db72
hex9c9d964

164223332 has 48 divisors (see below), whose sum is σ = 374532480. Its totient is φ = 61143552.

The previous prime is 164223331. The next prime is 164223347. The reversal of 164223332 is 233322461.

164223332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (164223331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7082 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (7802760).

Almost surely, 2164223332 is an apocalyptic number.

It is an amenable number.

164223332 is an abundant number, since it is smaller than the sum of its proper divisors (210309148).

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

164223332 is a wasteful number, since it uses less digits than its factorization.

164223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26580 (or 26578 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 164223332 is about 12814.9651579706. The cubic root of 164223332 is about 547.6187208750.

Adding to 164223332 its reverse (233322461), we get a palindrome (397545793).

The spelling of 164223332 in words is "one hundred sixty-four million, two hundred twenty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 7 13 14 17 26 28 34 52 68 91 119 182 221 238 364 442 476 884 1547 3094 6188 26539 53078 106156 185773 345007 371546 451163 690014 743092 902326 1380028 1804652 2415049 3158141 4830098 5865119 6316282 9660196 11730238 12632564 23460476 41055833 82111666 164223332