Search a number
-
+
3670225 = 521323491
BaseRepresentation
bin1110000000000011010001
320220110121021
432000003101
51414421400
6210355441
743124236
oct16000321
96813537
103670225
112087549
12128bb81
139b6740
146b778d
154c771a
hex3800d1

3670225 has 24 divisors (see below), whose sum is σ = 5124672. Its totient is φ = 2587200.

The previous prime is 3670171. The next prime is 3670231. The reversal of 3670225 is 5220763.

It is a de Polignac number, because none of the positive numbers 2k-3670225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 37 + 68 + 74 + 0 + 27 + 215 + 59 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3670225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7230 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (213528).

Almost surely, 23670225 is an apocalyptic number.

It is an amenable number.

3670225 is a deficient number, since it is larger than the sum of its proper divisors (1454447).

3670225 is a wasteful number, since it uses less digits than its factorization.

3670225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3670225 is about 1915.7831296887. The cubic root of 3670225 is about 154.2520329100.

Adding to 3670225 its reverse (5220763), we get a palindrome (8890988).

It can be divided in two parts, 36 and 70225, that multiplied together give a square (2528100 = 15902).

The spelling of 3670225 in words is "three million, six hundred seventy thousand, two hundred twenty-five".

Divisors: 1 5 13 23 25 65 115 299 325 491 575 1495 2455 6383 7475 11293 12275 31915 56465 146809 159575 282325 734045 3670225