Search a number
-
+
4540669 = 75312239
BaseRepresentation
bin10001010100100011111101
322112200121221
4101110203331
52130300134
6241153341
753411050
oct21244375
98480557
104540669
112621521
12162b851
13c2c9b3
14862a97
155ea5b4
hex4548fd

4540669 has 8 divisors (see below), whose sum is σ = 5287680. Its totient is φ = 3818256.

The previous prime is 4540661. The next prime is 4540687. The reversal of 4540669 is 9660454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4540669 - 23 = 4540661 is a prime.

It is a super-2 number, since 2×45406692 = 41235349935122, which contains 22 as substring.

It is a Duffinian number.

4540669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5749 + ... + 6490.

It is an arithmetic number, because the mean of its divisors is an integer number (660960).

Almost surely, 24540669 is an apocalyptic number.

It is an amenable number.

4540669 is a deficient number, since it is larger than the sum of its proper divisors (747011).

4540669 is a wasteful number, since it uses less digits than its factorization.

4540669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12299.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4540669 is about 2130.8845581120. The cubic root of 4540669 is about 165.5922274779.

The spelling of 4540669 in words is "four million, five hundred forty thousand, six hundred sixty-nine".

Divisors: 1 7 53 371 12239 85673 648667 4540669