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1344551453 = 7192078779
BaseRepresentation
bin101000000100100…
…0011101000011101
310110201000021211222
41100021003220131
510223201121303
6341230223125
745214333040
oct12011035035
93421007758
101344551453
1162aa67453
12316354aa5
1318573639b
14ca7dac57
157d090938
hex50243a1d

1344551453 has 4 divisors (see below), whose sum is σ = 1536630240. Its totient is φ = 1152472668.

The previous prime is 1344551443. The next prime is 1344551497. The reversal of 1344551453 is 3541554431.

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: 3541554431 = 10133349507.

It is a cyclic number.

It is not a de Polignac number, because 1344551453 - 222 = 1340357149 is a prime.

It is a super-2 number, since 2×13445514532 = 3615637219528822418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344551423) 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, 96039383 + ... + 96039396.

It is an arithmetic number, because the mean of its divisors is an integer number (384157560).

Almost surely, 21344551453 is an apocalyptic number.

It is an amenable number.

1344551453 is a deficient number, since it is larger than the sum of its proper divisors (192078787).

1344551453 is an equidigital number, since it uses as much as digits as its factorization.

1344551453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192078786.

The product of its digits is 72000, while the sum is 35.

The square root of 1344551453 is about 36668.1258452079. The cubic root of 1344551453 is about 1103.7205841416.

The spelling of 1344551453 in words is "one billion, three hundred forty-four million, five hundred fifty-one thousand, four hundred fifty-three".

Divisors: 1 7 192078779 1344551453