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12464161 = 12798143
BaseRepresentation
bin101111100011…
…000000100001
3212110020121121
4233203000201
511142323121
61123052241
7210641443
oct57430041
925406547
1012464161
117043566
124211081
132775358
141926493
151163141
hexbe3021

12464161 has 4 divisors (see below), whose sum is σ = 12562432. Its totient is φ = 12365892.

The previous prime is 12464149. The next prime is 12464167. The reversal of 12464161 is 16146421.

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 12464161 - 27 = 12464033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12464167) 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, 48945 + ... + 49198.

It is an arithmetic number, because the mean of its divisors is an integer number (3140608).

Almost surely, 212464161 is an apocalyptic number.

It is an amenable number.

12464161 is a deficient number, since it is larger than the sum of its proper divisors (98271).

12464161 is an equidigital number, since it uses as much as digits as its factorization.

12464161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98270.

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

The square root of 12464161 is about 3530.4618678014. The cubic root of 12464161 is about 231.8574294971.

The spelling of 12464161 in words is "twelve million, four hundred sixty-four thousand, one hundred sixty-one".

Divisors: 1 127 98143 12464161