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49069917 = 3213419401
BaseRepresentation
bin1011101100101…
…1111101011101
310102100000021100
42323023331131
5100030214132
64511423313
71134041661
oct273137535
9112300240
1049069917
1125775a56
1214524b39
13a220c70
1467348a1
15449437c
hex2ecbf5d

49069917 has 12 divisors (see below), whose sum is σ = 76331164. Its totient is φ = 30196800.

The previous prime is 49069903. The next prime is 49069957. The reversal of 49069917 is 71996094.

It can be written as a sum of positive squares in 2 ways, for example, as 26687556 + 22382361 = 5166^2 + 4731^2 .

It is not a de Polignac number, because 49069917 - 24 = 49069901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49069957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209584 + ... + 209817.

Almost surely, 249069917 is an apocalyptic number.

It is an amenable number.

49069917 is a deficient number, since it is larger than the sum of its proper divisors (27261247).

49069917 is a wasteful number, since it uses less digits than its factorization.

49069917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419420 (or 419417 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 49069917 is about 7004.9922912163. The cubic root of 49069917 is about 366.1045343261.

It can be divided in two parts, 490 and 69917, that added together give a palindrome (70407).

The spelling of 49069917 in words is "forty-nine million, sixty-nine thousand, nine hundred seventeen".

Divisors: 1 3 9 13 39 117 419401 1258203 3774609 5452213 16356639 49069917