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49883957 = 257194101
BaseRepresentation
bin1011111001001…
…0101100110101
310110212100220222
42332102230311
5100232241312
64541104125
71144002164
oct276225465
9113770828
1049883957
1126181612
1214858045
13a447646
1468a73db
1545a5672
hex2f92b35

49883957 has 4 divisors (see below), whose sum is σ = 50078316. Its totient is φ = 49689600.

The previous prime is 49883891. The next prime is 49883983. The reversal of 49883957 is 75938894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27520516 + 22363441 = 5246^2 + 4729^2 .

It is a cyclic number.

It is not a de Polignac number, because 49883957 - 216 = 49818421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49883899 and 49883908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49883357) 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, 96794 + ... + 97307.

It is an arithmetic number, because the mean of its divisors is an integer number (12519579).

Almost surely, 249883957 is an apocalyptic number.

It is an amenable number.

49883957 is a deficient number, since it is larger than the sum of its proper divisors (194359).

49883957 is a wasteful number, since it uses less digits than its factorization.

49883957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194358.

The product of its digits is 2177280, while the sum is 53.

The square root of 49883957 is about 7062.8575661697. The cubic root of 49883957 is about 368.1179250497.

The spelling of 49883957 in words is "forty-nine million, eight hundred eighty-three thousand, nine hundred fifty-seven".

Divisors: 1 257 194101 49883957