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20141453 = 97120743
BaseRepresentation
bin100110011010…
…1010110001101
31101220021212202
41030311112031
520124011303
61555411245
7333125303
oct114652615
941807782
1020141453
1110407632
1268b3b25
134232927
142964273
151b7cc88
hex133558d

20141453 has 4 divisors (see below), whose sum is σ = 20163168. Its totient is φ = 20119740.

The previous prime is 20141449. The next prime is 20141461. The reversal of 20141453 is 35414102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35414102 = 217707051.

It is a cyclic number.

It is not a de Polignac number, because 20141453 - 22 = 20141449 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141423) 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 3 ways as a sum of consecutive naturals, for example, 9401 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (5040792).

Almost surely, 220141453 is an apocalyptic number.

It is an amenable number.

20141453 is a deficient number, since it is larger than the sum of its proper divisors (21715).

20141453 is an equidigital number, since it uses as much as digits as its factorization.

20141453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21714.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20141453 is about 4487.9230162738. The cubic root of 20141453 is about 272.0801964002.

Adding to 20141453 its reverse (35414102), we get a palindrome (55555555).

The spelling of 20141453 in words is "twenty million, one hundred forty-one thousand, four hundred fifty-three".

Divisors: 1 971 20743 20141453