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163924229 = 7191398867
BaseRepresentation
bin10011100010101…
…00100100000101
3102102110012202202
421301110210011
5313431033404
624133244245
74030222130
oct1161244405
9372405682
10163924229
1184592777
1246a93685
1327c659b1
1417ab1217
15e5d021e
hex9c54905

163924229 has 16 divisors (see below), whose sum is σ = 198643200. Its totient is φ = 132138864.

The previous prime is 163924223. The next prime is 163924231. The reversal of 163924229 is 922429361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163924229 - 220 = 162875653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163924192 and 163924201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163924223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14054 + ... + 22920.

It is an arithmetic number, because the mean of its divisors is an integer number (12415200).

Almost surely, 2163924229 is an apocalyptic number.

163924229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

163924229 is a deficient number, since it is larger than the sum of its proper divisors (34718971).

163924229 is a wasteful number, since it uses less digits than its factorization.

163924229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032.

The product of its digits is 46656, while the sum is 38.

The square root of 163924229 is about 12803.2897725546. The cubic root of 163924229 is about 547.2860561198.

The spelling of 163924229 in words is "one hundred sixty-three million, nine hundred twenty-four thousand, two hundred twenty-nine".

Divisors: 1 7 19 133 139 973 2641 8867 18487 62069 168473 1179311 1232513 8627591 23417747 163924229