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1274002057 = 3793361483
BaseRepresentation
bin100101111101111…
…1011101010001001
310021210021000021101
41023323323222021
510102121031212
6330230141401
743366560466
oct11373735211
93253230241
101274002057
115a4160669
122b67b1861
13173c34793
14c12b466d
1576ca7157
hex4befba89

1274002057 has 4 divisors (see below), whose sum is σ = 1277363920. Its totient is φ = 1270640196.

The previous prime is 1274002031. The next prime is 1274002073. The reversal of 1274002057 is 7502004721.

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: 7502004721 = 37012027021.

It is a cyclic number.

It is not a de Polignac number, because 1274002057 - 223 = 1265613449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1274002007) 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, 1680363 + ... + 1681120.

It is an arithmetic number, because the mean of its divisors is an integer number (319340980).

Almost surely, 21274002057 is an apocalyptic number.

It is an amenable number.

1274002057 is a deficient number, since it is larger than the sum of its proper divisors (3361863).

1274002057 is an equidigital number, since it uses as much as digits as its factorization.

1274002057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361862.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 1274002057 is about 35693.1654102014. The cubic root of 1274002057 is about 1084.0684613493.

Adding to 1274002057 its reverse (7502004721), we get a palindrome (8776006778).

The spelling of 1274002057 in words is "one billion, two hundred seventy-four million, two thousand, fifty-seven".

Divisors: 1 379 3361483 1274002057