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1353431629 = 11123039239
BaseRepresentation
bin101000010101011…
…1011101001001101
310111022201110011101
41100222323221031
510232434303004
6342144423101
745352656544
oct12052735115
93438643141
101353431629
11634a82240
12319317a91
13187525324
14cba6d15b
157dc46ba4
hex50abba4d

1353431629 has 4 divisors (see below), whose sum is σ = 1476470880. Its totient is φ = 1230392380.

The previous prime is 1353431603. The next prime is 1353431669. The reversal of 1353431629 is 9261343531.

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: 9261343531 = 11841940321.

It is a cyclic number.

It is not a de Polignac number, because 1353431629 - 213 = 1353423437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353431669) 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, 61519609 + ... + 61519630.

It is an arithmetic number, because the mean of its divisors is an integer number (369117720).

Almost surely, 21353431629 is an apocalyptic number.

It is an amenable number.

1353431629 is a deficient number, since it is larger than the sum of its proper divisors (123039251).

1353431629 is a wasteful number, since it uses less digits than its factorization.

1353431629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123039250.

The product of its digits is 58320, while the sum is 37.

The square root of 1353431629 is about 36789.0150588460. The cubic root of 1353431629 is about 1106.1451186639.

The spelling of 1353431629 in words is "one billion, three hundred fifty-three million, four hundred thirty-one thousand, six hundred twenty-nine".

Divisors: 1 11 123039239 1353431629