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1363340397 = 3454446799
BaseRepresentation
bin101000101000010…
…1110110001101101
310112000100212102210
41101100232301231
510243003343042
6343141041033
745533126226
oct12120566155
93460325383
101363340397
1163a62a901
123206b6179
131895b44c3
14cd0cc24d
157ea52a9c
hex5142ec6d

1363340397 has 4 divisors (see below), whose sum is σ = 1817787200. Its totient is φ = 908893596.

The previous prime is 1363340389. The next prime is 1363340399. The reversal of 1363340397 is 7930433631.

It is a happy number.

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: 7930433631 = 32643477877.

It is not a de Polignac number, because 1363340397 - 23 = 1363340389 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 (1363340399) 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, 227223397 + ... + 227223402.

It is an arithmetic number, because the mean of its divisors is an integer number (454446800).

Almost surely, 21363340397 is an apocalyptic number.

It is an amenable number.

1363340397 is a deficient number, since it is larger than the sum of its proper divisors (454446803).

1363340397 is an equidigital number, since it uses as much as digits as its factorization.

1363340397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454446802.

The product of its (nonzero) digits is 122472, while the sum is 39.

The square root of 1363340397 is about 36923.4396691316. The cubic root of 1363340397 is about 1108.8380007744.

The spelling of 1363340397 in words is "one billion, three hundred sixty-three million, three hundred forty thousand, three hundred ninety-seven".

Divisors: 1 3 454446799 1363340397