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49084389 = 3217541593
BaseRepresentation
bin1011101100111…
…1011111100101
310102100202010100
42323033133211
5100031200024
64512014313
71134132114
oct273173745
9112322110
1049084389
1125785912
1214531399
13a227723
146739c7b
1544987c9
hex2ecf7e5

49084389 has 24 divisors (see below), whose sum is σ = 75335832. Its totient is φ = 30689280.

The previous prime is 49084381. The next prime is 49084393. The reversal of 49084389 is 98348094.

It is a happy number.

49084389 is a `hidden beast` number, since 490 + 84 + 3 + 89 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13264164 + 35820225 = 3642^2 + 5985^2 .

It is not a de Polignac number, because 49084389 - 23 = 49084381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49084381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82477 + ... + 83069.

It is an arithmetic number, because the mean of its divisors is an integer number (3138993).

Almost surely, 249084389 is an apocalyptic number.

It is an amenable number.

49084389 is a deficient number, since it is larger than the sum of its proper divisors (26251443).

49084389 is a wasteful number, since it uses less digits than its factorization.

49084389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 49084389 is about 7006.0251926467. The cubic root of 49084389 is about 366.1405220511.

The spelling of 49084389 in words is "forty-nine million, eighty-four thousand, three hundred eighty-nine".

Divisors: 1 3 9 17 51 153 541 593 1623 1779 4869 5337 9197 10081 27591 30243 82773 90729 320813 962439 2887317 5453821 16361463 49084389