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1349893401 = 3449964467
BaseRepresentation
bin101000001110101…
…1011110100011001
310111002001200121220
41100131123310121
510231033042101
6341540522253
745310622163
oct12035336431
93432050556
101349893401
11632a8598a
123180b0389
131868869bc
14cb3cb933
157d798636
hex5075bd19

1349893401 has 4 divisors (see below), whose sum is σ = 1799857872. Its totient is φ = 899928932.

The previous prime is 1349893397. The next prime is 1349893403. The reversal of 1349893401 is 1043989431.

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 1349893401 - 22 = 1349893397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1349893403) 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, 224982231 + ... + 224982236.

It is an arithmetic number, because the mean of its divisors is an integer number (449964468).

Almost surely, 21349893401 is an apocalyptic number.

It is an amenable number.

1349893401 is a deficient number, since it is larger than the sum of its proper divisors (449964471).

1349893401 is an equidigital number, since it uses as much as digits as its factorization.

1349893401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449964470.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1349893401 is about 36740.8954844598. The cubic root of 1349893401 is about 1105.1803588950.

The spelling of 1349893401 in words is "one billion, three hundred forty-nine million, eight hundred ninety-three thousand, four hundred one".

Divisors: 1 3 449964467 1349893401