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3776985 = 32583933
BaseRepresentation
bin1110011010000111011001
321002220001100
432122013121
51431330420
6212542013
744050422
oct16320731
97086040
103776985
11214a783
121321909
13a23204
14704649
154e9190
hex39a1d9

3776985 has 12 divisors (see below), whose sum is σ = 6546852. Its totient is φ = 2014368.

The previous prime is 3776957. The next prime is 3776999. The reversal of 3776985 is 5896773.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2286144 + 1490841 = 1512^2 + 1221^2 .

It is not a de Polignac number, because 3776985 - 212 = 3772889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 83933 = 3776985 / (3 + 7 + 7 + 6 + 9 + 8 + 5).

It is a d-powerful number, because it can be written as 33 + 7 + 72 + 68 + 9 + 87 + 53 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3776985.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41922 + ... + 42011.

It is an arithmetic number, because the mean of its divisors is an integer number (545571).

Almost surely, 23776985 is an apocalyptic number.

It is an amenable number.

3776985 is a deficient number, since it is larger than the sum of its proper divisors (2769867).

3776985 is a wasteful number, since it uses less digits than its factorization.

3776985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83944 (or 83941 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 3776985 is about 1943.4466805138. The cubic root of 3776985 is about 155.7333957172.

It can be divided in two parts, 3776 and 985, that added together give a square (4761 = 692).

The spelling of 3776985 in words is "three million, seven hundred seventy-six thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 45 83933 251799 419665 755397 1258995 3776985