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49205039 = 1330712329
BaseRepresentation
bin1011101110110…
…0111100101111
310102120212121212
42323230330233
5100044030124
64514345035
71135143632
oct273547457
9112525555
1049205039
1125858524
121458b17b
13a26a610
14676bc19
1544be40e
hex2eecf2f

49205039 has 8 divisors (see below), whose sum is σ = 53166960. Its totient is φ = 45268416.

The previous prime is 49205017. The next prime is 49205077. The reversal of 49205039 is 93050294.

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-49205039 is a prime.

It is a super-2 number, since 2×492050392 = 4842271725983042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49204996 and 49205014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49255039) 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, 2174 + ... + 10155.

It is an arithmetic number, because the mean of its divisors is an integer number (6645870).

Almost surely, 249205039 is an apocalyptic number.

49205039 is a deficient number, since it is larger than the sum of its proper divisors (3961921).

49205039 is a wasteful number, since it uses less digits than its factorization.

49205039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 49205039 is about 7014.6303537678. The cubic root of 49205039 is about 366.4402691474.

The spelling of 49205039 in words is "forty-nine million, two hundred five thousand, thirty-nine".

Divisors: 1 13 307 3991 12329 160277 3785003 49205039