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49820829 = 3172342473
BaseRepresentation
bin1011111000001…
…1010010011101
310110202011022220
42332003102131
5100223231304
64535455553
71143320142
oct276032235
9113664286
1049820829
1126139143
12148275b9
13a4249a6
14688c3c9
154591ad9
hex2f8349d

49820829 has 16 divisors (see below), whose sum is σ = 73395072. Its totient is φ = 29900288.

The previous prime is 49820819. The next prime is 49820843. The reversal of 49820829 is 92802894.

It is a cyclic number.

It is not a de Polignac number, because 49820829 - 215 = 49788061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49820809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20064 + ... + 22409.

It is an arithmetic number, because the mean of its divisors is an integer number (4587192).

Almost surely, 249820829 is an apocalyptic number.

It is an amenable number.

49820829 is a deficient number, since it is larger than the sum of its proper divisors (23574243).

49820829 is a wasteful number, since it uses less digits than its factorization.

49820829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42516.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 49820829 is about 7058.3871387166. The cubic root of 49820829 is about 367.9625754514.

The spelling of 49820829 in words is "forty-nine million, eight hundred twenty thousand, eight hundred twenty-nine".

Divisors: 1 3 17 23 51 69 391 1173 42473 127419 722041 976879 2166123 2930637 16606943 49820829