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1234130397 = 3411376799
BaseRepresentation
bin100100110001111…
…0101010111011101
310012000020022122020
41021203311113131
510011414133042
6322243410353
742403635543
oct11143652735
93160208566
101234130397
115836a8485
122a53839b9
131688b4496
14b9c95d93
157352d3ec
hex498f55dd

1234130397 has 4 divisors (see below), whose sum is σ = 1645507200. Its totient is φ = 822753596.

The previous prime is 1234130377. The next prime is 1234130407. The reversal of 1234130397 is 7930314321.

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 1234130397 - 26 = 1234130333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234130327) 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, 205688397 + ... + 205688402.

It is an arithmetic number, because the mean of its divisors is an integer number (411376800).

Almost surely, 21234130397 is an apocalyptic number.

It is an amenable number.

1234130397 is a deficient number, since it is larger than the sum of its proper divisors (411376803).

1234130397 is an equidigital number, since it uses as much as digits as its factorization.

1234130397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411376802.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1234130397 is about 35130.1921002433. The cubic root of 1234130397 is about 1072.6392462148.

The spelling of 1234130397 in words is "one billion, two hundred thirty-four million, one hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 3 411376799 1234130397