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49239948 = 2234103329
BaseRepresentation
bin1011101111010…
…1011110001100
310102122122111210
42323311132030
5100101134243
64515214420
71135350462
oct273653614
9112578453
1049239948
112588177a
12145a7410
13a280484
14677a832
1544c9933
hex2ef578c

49239948 has 12 divisors (see below), whose sum is σ = 114893240. Its totient is φ = 16413312.

The previous prime is 49239943. The next prime is 49239959. The reversal of 49239948 is 84993294.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 49239897 and 49239906.

It is not an unprimeable number, because it can be changed into a prime (49239943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051653 + ... + 2051676.

Almost surely, 249239948 is an apocalyptic number.

It is an amenable number.

49239948 is an abundant number, since it is smaller than the sum of its proper divisors (65653292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49239948 is a wasteful number, since it uses less digits than its factorization.

49239948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103336 (or 4103334 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 49239948 is about 7017.1182119158. The cubic root of 49239948 is about 366.5269068824.

The spelling of 49239948 in words is "forty-nine million, two hundred thirty-nine thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 4103329 8206658 12309987 16413316 24619974 49239948