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2048577397 = 19107819863
BaseRepresentation
bin111101000011010…
…1100111101110101
312021202202111212221
41322012230331311
513143413434042
6535140042341
7101523422566
oct17206547565
95252674787
102048577397
11961406579
124920933b1
13268555099
1415610216d
15becaad67
hex7a1acf75

2048577397 has 4 divisors (see below), whose sum is σ = 2156397280. Its totient is φ = 1940757516.

The previous prime is 2048577389. The next prime is 2048577407. The reversal of 2048577397 is 7937758402.

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 2048577397 - 23 = 2048577389 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 (2048574397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53909913 + ... + 53909950.

It is an arithmetic number, because the mean of its divisors is an integer number (539099320).

Almost surely, 22048577397 is an apocalyptic number.

It is an amenable number.

2048577397 is a deficient number, since it is larger than the sum of its proper divisors (107819883).

2048577397 is a wasteful number, since it uses less digits than its factorization.

2048577397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107819882.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The square root of 2048577397 is about 45261.2129422091. The cubic root of 2048577397 is about 1270.0401741895.

The spelling of 2048577397 in words is "two billion, forty-eight million, five hundred seventy-seven thousand, three hundred ninety-seven".

Divisors: 1 19 107819863 2048577397