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10049986 = 212174129
BaseRepresentation
bin100110010101…
…100111000010
3200220120222201
4212111213002
510033044421
6555223414
7151265152
oct46254702
920816881
1010049986
115744781
123447b6a
13210b54b
141498762
15d37b91
hex9959c2

10049986 has 8 divisors (see below), whose sum is σ = 15091020. Its totient is φ = 5019648.

The previous prime is 10049981. The next prime is 10049987. The reversal of 10049986 is 68994001.

It can be written as a sum of positive squares in 2 ways, for example, as 10017225 + 32761 = 3165^2 + 181^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10049981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370 + ... + 4498.

Almost surely, 210049986 is an apocalyptic number.

10049986 is a deficient number, since it is larger than the sum of its proper divisors (5041034).

10049986 is a wasteful number, since it uses less digits than its factorization.

10049986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 10049986 is about 3170.1712887477. The cubic root of 10049986 is about 215.8018444477.

It can be divided in two parts, 100 and 49986, that added together give a triangular number (50086 = T316).

The spelling of 10049986 in words is "ten million, forty-nine thousand, nine hundred eighty-six".

Divisors: 1 2 1217 2434 4129 8258 5024993 10049986