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3870986474 = 21935493237
BaseRepresentation
bin1110011010111010…
…1001000011101010
3100222202221111011102
43212232221003222
530411433031344
61440040401402
7164632561565
oct34656510352
910882844142
103870986474
111707086483
12900476262
13498c8cc54
1428a16d4dc
15179c8de4e
hexe6ba90ea

3870986474 has 4 divisors (see below), whose sum is σ = 5806479714. Its totient is φ = 1935493236.

The previous prime is 3870986473. The next prime is 3870986477. The reversal of 3870986474 is 4746890783.

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., 1982475625 + 1888510849 = 44525^2 + 43457^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3870986473) by changing a digit.

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, 967746617 + ... + 967746620.

Almost surely, 23870986474 is an apocalyptic number.

3870986474 is a deficient number, since it is larger than the sum of its proper divisors (1935493240).

3870986474 is a wasteful number, since it uses less digits than its factorization.

3870986474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935493239.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The square root of 3870986474 is about 62217.2522215503. The cubic root of 3870986474 is about 1570.1478587401.

The spelling of 3870986474 in words is "three billion, eight hundred seventy million, nine hundred eighty-six thousand, four hundred seventy-four".

Divisors: 1 2 1935493237 3870986474