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164426101 = 723489443
BaseRepresentation
bin10011100110011…
…11000101110101
3102110101201012121
421303033011311
5314043113401
624152115541
74034412250
oct1163170565
9373351177
10164426101
11848a5844
1247095bb1
13280b0268
1417ba2097
15e67dca1
hex9ccf175

164426101 has 4 divisors (see below), whose sum is σ = 187915552. Its totient is φ = 140936652.

The previous prime is 164426083. The next prime is 164426117. The reversal of 164426101 is 101624461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164426101 - 213 = 164417909 is a prime.

It is a super-3 number, since 3×1644261013 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164426161) 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, 11744715 + ... + 11744728.

It is an arithmetic number, because the mean of its divisors is an integer number (46978888).

Almost surely, 2164426101 is an apocalyptic number.

It is an amenable number.

164426101 is a deficient number, since it is larger than the sum of its proper divisors (23489451).

164426101 is an equidigital number, since it uses as much as digits as its factorization.

164426101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23489450.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 164426101 is about 12822.8741318006. The cubic root of 164426101 is about 547.8440125138.

The spelling of 164426101 in words is "one hundred sixty-four million, four hundred twenty-six thousand, one hundred one".

Divisors: 1 7 23489443 164426101