Search a number
-
+
3706825 = 52314783
BaseRepresentation
bin1110001000111111001001
320222022210211
432020333021
51422104300
6211241121
743336033
oct16107711
96868724
103706825
112101aa1
1212a91a1
139ca2b5
146c6c53
154d34ba
hex388fc9

3706825 has 12 divisors (see below), whose sum is σ = 4745728. Its totient is φ = 2869200.

The previous prime is 3706819. The next prime is 3706837. The reversal of 3706825 is 5286073.

It is not a de Polignac number, because 3706825 - 23 = 3706817 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 313 + 74 + 0 + 65 + 87 + 211 + 55 .

3706825 is a lucky number.

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, 1617 + ... + 3166.

Almost surely, 23706825 is an apocalyptic number.

It is an amenable number.

3706825 is a deficient number, since it is larger than the sum of its proper divisors (1038903).

3706825 is a wasteful number, since it uses less digits than its factorization.

3706825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3706825 is about 1925.3116630821. The cubic root of 3706825 is about 154.7630789053.

The spelling of 3706825 in words is "three million, seven hundred six thousand, eight hundred twenty-five".

Divisors: 1 5 25 31 155 775 4783 23915 119575 148273 741365 3706825