Search a number
-
+
2040454 = 21378479
BaseRepresentation
bin111110010001010000110
310211122222101
413302022012
51010243304
6111422314
723225563
oct7621206
93748871
102040454
111174029
1282499a
13565990
143b186a
152a48a4
hex1f2286

2040454 has 8 divisors (see below), whose sum is σ = 3296160. Its totient is φ = 941736.

The previous prime is 2040449. The next prime is 2040457. The reversal of 2040454 is 4540402.

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

It is a super-2 number, since 2×20404542 = 8326905052232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39214 + ... + 39265.

It is an arithmetic number, because the mean of its divisors is an integer number (412020).

22040454 is an apocalyptic number.

2040454 is a deficient number, since it is larger than the sum of its proper divisors (1255706).

2040454 is a wasteful number, since it uses less digits than its factorization.

2040454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78494.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2040454 is about 1428.4446086566. Note that the first 3 decimals coincide. The cubic root of 2040454 is about 126.8359217820.

Adding to 2040454 its reverse (4540402), we get a palindrome (6580856).

The spelling of 2040454 in words is "two million, forty thousand, four hundred fifty-four".

Divisors: 1 2 13 26 78479 156958 1020227 2040454