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49380986 = 224690493
BaseRepresentation
bin1011110001011…
…1111001111010
310102220210222102
42330113321322
5100120142421
64522223402
71136505614
oct274277172
9112823872
1049380986
1125968736
1214654b62
13a2cc725
1467b5db4
15450660b
hex2f17e7a

49380986 has 4 divisors (see below), whose sum is σ = 74071482. Its totient is φ = 24690492.

The previous prime is 49380967. The next prime is 49381009. The reversal of 49380986 is 68908394.

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

It can be written as a sum of positive squares in only one way, i.e., 39300361 + 10080625 = 6269^2 + 3175^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49380986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12345245 + ... + 12345248.

Almost surely, 249380986 is an apocalyptic number.

49380986 is a deficient number, since it is larger than the sum of its proper divisors (24690496).

49380986 is a wasteful number, since it uses less digits than its factorization.

49380986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24690495.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 49380986 is about 7027.1605930134. The cubic root of 49380986 is about 366.8765210098.

The spelling of 49380986 in words is "forty-nine million, three hundred eighty thousand, nine hundred eighty-six".

Divisors: 1 2 24690493 49380986