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49193009 = 78762507
BaseRepresentation
bin1011101110101…
…0000000110001
310102120021010022
42323222000301
5100043134014
64514213225
71135063565
oct273520061
9112507108
1049193009
112584a488
1214584215
13a264cb8
1467676a5
1544baa8e
hex2eea031

49193009 has 4 divisors (see below), whose sum is σ = 49256304. Its totient is φ = 49129716.

The previous prime is 49192993. The next prime is 49193029. The reversal of 49193009 is 90039194.

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 49193009 - 24 = 49192993 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 49193009.

It is not an unprimeable number, because it can be changed into a prime (49193029) 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, 30467 + ... + 32040.

It is an arithmetic number, because the mean of its divisors is an integer number (12314076).

Almost surely, 249193009 is an apocalyptic number.

It is an amenable number.

49193009 is a deficient number, since it is larger than the sum of its proper divisors (63295).

49193009 is an equidigital number, since it uses as much as digits as its factorization.

49193009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63294.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 49193009 is about 7013.7728078403. The cubic root of 49193009 is about 366.4104034003.

The spelling of 49193009 in words is "forty-nine million, one hundred ninety-three thousand, nine".

Divisors: 1 787 62507 49193009