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164250223 = 414006103
BaseRepresentation
bin10011100101001…
…00001001101111
3102110001202221121
421302210021233
5314022001343
624144241411
74033050424
oct1162441157
9373052847
10164250223
1184795695
1247010267
132804b1a7
1417b57d4b
15e646aed
hex9ca426f

164250223 has 4 divisors (see below), whose sum is σ = 168256368. Its totient is φ = 160244080.

The previous prime is 164250211. The next prime is 164250241. The reversal of 164250223 is 322052461.

164250223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322052461 = 601535861.

It is a cyclic number.

It is not a de Polignac number, because 164250223 - 213 = 164242031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164250253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003011 + ... + 2003092.

It is an arithmetic number, because the mean of its divisors is an integer number (42064092).

Almost surely, 2164250223 is an apocalyptic number.

164250223 is a deficient number, since it is larger than the sum of its proper divisors (4006145).

164250223 is an equidigital number, since it uses as much as digits as its factorization.

164250223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006144.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 164250223 is about 12816.0143180320. The cubic root of 164250223 is about 547.6486094646.

The spelling of 164250223 in words is "one hundred sixty-four million, two hundred fifty thousand, two hundred twenty-three".

Divisors: 1 41 4006103 164250223