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3785652 = 2232138089
BaseRepresentation
bin1110011100001110110100
321010022221100
432130032310
51432120102
6213050100
744114613
oct16341664
97108840
103785652
112156242
121326930
13a27140
1470787a
154eba1c
hex39c3b4

3785652 has 36 divisors (see below), whose sum is σ = 10306660. Its totient is φ = 1164672.

The previous prime is 3785651. The next prime is 3785669. The reversal of 3785652 is 2565873.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 3549456 = 486^2 + 1884^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×37856522 = 28662322130208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 38 + 72 + 87 + 54 + 68 + 54 + 210 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3577 + ... + 4512.

Almost surely, 23785652 is an apocalyptic number.

It is an amenable number.

3785652 is an abundant number, since it is smaller than the sum of its proper divisors (6521008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3785652 is a wasteful number, since it uses less digits than its factorization.

3785652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112 (or 8107 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3785652 is about 1945.6752041387. The cubic root of 3785652 is about 155.8524245407.

The spelling of 3785652 in words is "three million, seven hundred eighty-five thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 8089 16178 24267 32356 48534 72801 97068 105157 145602 210314 291204 315471 420628 630942 946413 1261884 1892826 3785652