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4650049 = 371091153
BaseRepresentation
bin10001101111010001000001
322202020200001
4101233101001
52142300144
6243400001
754344665
oct21572101
98666601
104650049
112696718
121683001
13c6a711
148908a5
1561cbd4
hex46f441

4650049 has 8 divisors (see below), whose sum is σ = 4823720. Its totient is φ = 4478976.

The previous prime is 4650029. The next prime is 4650053. The reversal of 4650049 is 9400564.

It can be written as a sum of positive squares in 4 ways, for example, as 2745649 + 1904400 = 1657^2 + 1380^2 .

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

It is a 2-Lehmer number, since φ(4650049) divides (4650049-1)2.

It is a cyclic number.

It is not a de Polignac number, because 4650049 - 25 = 4650017 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4649999 and 4650026.

It is not an unprimeable number, because it can be changed into a prime (4650029) 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, 3457 + ... + 4609.

It is an arithmetic number, because the mean of its divisors is an integer number (602965).

It is a Poulet number, since it divides 24650048-1.

Almost surely, 24650049 is an apocalyptic number.

4650049 is the 1153-rd nonagonal number.

It is an amenable number.

4650049 is a deficient number, since it is larger than the sum of its proper divisors (173671).

4650049 is a wasteful number, since it uses less digits than its factorization.

4650049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4650049 is about 2156.3972268578. The cubic root of 4650049 is about 166.9113397458.

The spelling of 4650049 in words is "four million, six hundred fifty thousand, forty-nine".

Divisors: 1 37 109 1153 4033 42661 125677 4650049