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1397049119 = 19373319697
BaseRepresentation
bin101001101000101…
…0100011100011111
310121100210110002222
41103101110130133
510330121032434
6350343335555
746422502334
oct12321243437
93540713088
101397049119
11657663754
1232ba515bb
131935875ab
14d378498b
15829b072e
hex5345471f

1397049119 has 8 divisors (see below), whose sum is σ = 1471046640. Its totient is φ = 1323098496.

The previous prime is 1397049097. The next prime is 1397049151. The reversal of 1397049119 is 9119407931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1397049119 - 216 = 1396983583 is a prime.

It is a super-2 number, since 2×13970491192 = 3903492481797352322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1397049119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397049169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61079 + ... + 80775.

It is an arithmetic number, because the mean of its divisors is an integer number (183880830).

Almost surely, 21397049119 is an apocalyptic number.

1397049119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1397049119 is a deficient number, since it is larger than the sum of its proper divisors (73997521).

1397049119 is a wasteful number, since it uses less digits than its factorization.

1397049119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23449.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1397049119 is about 37377.1202609297. The cubic root of 1397049119 is about 1117.9024087484.

The spelling of 1397049119 in words is "one billion, three hundred ninety-seven million, forty-nine thousand, one hundred nineteen".

Divisors: 1 19 3733 19697 70927 374243 73528901 1397049119