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2042454 = 23340409
BaseRepresentation
bin111110010101001010110
310211202201110
413302221112
51010324304
6111435450
723234451
oct7625126
93752643
102042454
111175587
12825b86
1356686b
143b2498
152a5289
hex1f2a56

2042454 has 8 divisors (see below), whose sum is σ = 4084920. Its totient is φ = 680816.

The previous prime is 2042449. The next prime is 2042459. The reversal of 2042454 is 4542402.

It is an interprime number because it is at equal distance from previous prime (2042449) and next prime (2042459).

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

2042454 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042459) 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, 170199 + ... + 170210.

It is an arithmetic number, because the mean of its divisors is an integer number (510615).

22042454 is an apocalyptic number.

2042454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2042454 is a wasteful number, since it uses less digits than its factorization.

2042454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340414.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2042454 is about 1429.1444993422. The cubic root of 2042454 is about 126.8773486748.

Adding to 2042454 its reverse (4542402), we get a palindrome (6584856).

The spelling of 2042454 in words is "two million, forty-two thousand, four hundred fifty-four".

Divisors: 1 2 3 6 340409 680818 1021227 2042454