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49070009 = 431637001
BaseRepresentation
bin1011101100101…
…1111110111001
310102100000101202
42323023332321
5100030220014
64511423545
71134042152
oct273137671
9112300352
1049070009
112577602a
1214524bb5
13a221011
146734929
1544943de
hex2ecbfb9

49070009 has 8 divisors (see below), whose sum is σ = 50526432. Its totient is φ = 47628000.

The previous prime is 49070003. The next prime is 49070011. The reversal of 49070009 is 90007094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49070009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49070003) 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, 3509 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (6315804).

Almost surely, 249070009 is an apocalyptic number.

It is an amenable number.

49070009 is a deficient number, since it is larger than the sum of its proper divisors (1456423).

49070009 is a wasteful number, since it uses less digits than its factorization.

49070009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 49070009 is about 7004.9988579585. The cubic root of 49070009 is about 366.1047631261.

The spelling of 49070009 in words is "forty-nine million, seventy thousand, nine".

Divisors: 1 43 163 7001 7009 301043 1141163 49070009