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49311001 = 220722343
BaseRepresentation
bin1011110000011…
…0110100011001
310102210020222101
42330012310121
5100110423001
64520523401
71136064565
oct274066431
9112706871
1049311001
11259200a3
1214620561
13a2a690c
1467986a5
1544e0a01
hex2f06d19

49311001 has 4 divisors (see below), whose sum is σ = 49335552. Its totient is φ = 49286452.

The previous prime is 49310971. The next prime is 49311019. The reversal of 49311001 is 10011394.

It is a happy number.

49311001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49311001 - 25 = 49310969 is a prime.

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 49311001.

It is not an unprimeable number, because it can be changed into a prime (49311091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8965 + ... + 13378.

It is an arithmetic number, because the mean of its divisors is an integer number (12333888).

Almost surely, 249311001 is an apocalyptic number.

It is an amenable number.

49311001 is a deficient number, since it is larger than the sum of its proper divisors (24551).

49311001 is a wasteful number, since it uses less digits than its factorization.

49311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24550.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 49311001 is about 7022.1792201567. The cubic root of 49311001 is about 366.7031209853.

Adding to 49311001 its reverse (10011394), we get a palindrome (59322395).

The spelling of 49311001 in words is "forty-nine million, three hundred eleven thousand, one".

Divisors: 1 2207 22343 49311001