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24140161 = 33172931
BaseRepresentation
bin101110000010…
…1100110000001
31200102110002001
41130011212001
522134441121
62221224001
7412121323
oct134054601
950373061
1024140161
1112698951
128102001
135002a26
1432c5613
1521bc991
hex1705981

24140161 has 4 divisors (see below), whose sum is σ = 24213424. Its totient is φ = 24066900.

The previous prime is 24140143. The next prime is 24140189. The reversal of 24140161 is 16104142.

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 24140161 - 29 = 24139649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24140101) 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, 36135 + ... + 36796.

It is an arithmetic number, because the mean of its divisors is an integer number (6053356).

Almost surely, 224140161 is an apocalyptic number.

It is an amenable number.

24140161 is a deficient number, since it is larger than the sum of its proper divisors (73263).

24140161 is an equidigital number, since it uses as much as digits as its factorization.

24140161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73262.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 24140161 is about 4913.2637828637. The cubic root of 24140161 is about 289.0103443335.

It can be divided in two parts, 24 and 140161, that added together give a triangular number (140185 = T529).

The spelling of 24140161 in words is "twenty-four million, one hundred forty thousand, one hundred sixty-one".

Divisors: 1 331 72931 24140161