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23453441 = 1179137197
BaseRepresentation
bin101100101110…
…1111100000001
31122010120001222
41121131330001
522001002231
62154404425
7403231244
oct131357401
948116058
1023453441
1112269a10
127a30715
134b2229b
14318725b
1520d427b
hex165df01

23453441 has 16 divisors (see below), whose sum is σ = 26231040. Its totient is φ = 20791680.

The previous prime is 23453411. The next prime is 23453461. The reversal of 23453441 is 14435432.

It is a cyclic number.

It is not a de Polignac number, because 23453441 - 210 = 23452417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23453441.

It is not an unprimeable number, because it can be changed into a prime (23453411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118955 + ... + 119151.

It is an arithmetic number, because the mean of its divisors is an integer number (1639440).

Almost surely, 223453441 is an apocalyptic number.

It is an amenable number.

23453441 is a deficient number, since it is larger than the sum of its proper divisors (2777599).

23453441 is a wasteful number, since it uses less digits than its factorization.

23453441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its digits is 5760, while the sum is 26.

The square root of 23453441 is about 4842.8752823091. The cubic root of 23453441 is about 286.2434273200.

Adding to 23453441 its reverse (14435432), we get a palindrome (37888873).

Subtracting from 23453441 its reverse (14435432), we obtain a square (9018009 = 30032).

The spelling of 23453441 in words is "twenty-three million, four hundred fifty-three thousand, four hundred forty-one".

Divisors: 1 11 79 137 197 869 1507 2167 10823 15563 26989 119053 171193 296879 2132131 23453441