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49983986 = 2131922461
BaseRepresentation
bin1011111010101…
…1000111110010
310111001110010202
42332223013302
5100243441421
64543155202
71144566623
oct276530762
9114043122
1049983986
112623a788
12148a5b02
13a481030
1468d1a4a
1545c510b
hex2fab1f2

49983986 has 8 divisors (see below), whose sum is σ = 80743404. Its totient is φ = 23069520.

The previous prime is 49983971. The next prime is 49984007. The reversal of 49983986 is 68938994.

It can be written as a sum of positive squares in 2 ways, for example, as 49970761 + 13225 = 7069^2 + 115^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961205 + ... + 961256.

Almost surely, 249983986 is an apocalyptic number.

49983986 is a deficient number, since it is larger than the sum of its proper divisors (30759418).

49983986 is a wasteful number, since it uses less digits than its factorization.

49983986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922476.

The product of its digits is 3359232, while the sum is 56.

The square root of 49983986 is about 7069.9353603834. The cubic root of 49983986 is about 368.3638149441.

The spelling of 49983986 in words is "forty-nine million, nine hundred eighty-three thousand, nine hundred eighty-six".

Divisors: 1 2 13 26 1922461 3844922 24991993 49983986