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164030243 = 1315183561
BaseRepresentation
bin10011100011011…
…10011100100011
3102102122121012012
421301232130203
5313442431433
624135423135
74031143166
oct1161563443
9372577165
10164030243
1184655393
1246b24aab
1327ca2020
1417adbadd
15e601848
hex9c6e723

164030243 has 8 divisors (see below), whose sum is σ = 177819936. Its totient is φ = 150408000.

The previous prime is 164030233. The next prime is 164030309. The reversal of 164030243 is 342030461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164030243 - 26 = 164030179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164030203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39818 + ... + 43743.

It is an arithmetic number, because the mean of its divisors is an integer number (22227492).

Almost surely, 2164030243 is an apocalyptic number.

164030243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164030243 is a deficient number, since it is larger than the sum of its proper divisors (13789693).

164030243 is a wasteful number, since it uses less digits than its factorization.

164030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83725.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 164030243 is about 12807.4292112039. The cubic root of 164030243 is about 547.4040120013.

The spelling of 164030243 in words is "one hundred sixty-four million, thirty thousand, two hundred forty-three".

Divisors: 1 13 151 1963 83561 1086293 12617711 164030243