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20052454 = 216636029
BaseRepresentation
bin100110001111…
…1100111100110
31101201202210111
41030133213212
520113134304
61553443234
7332304652
oct114374746
941652714
1020052454
1110356784
12687051a
134201276
14293da62
151b61704
hex131f9e6

20052454 has 8 divisors (see below), whose sum is σ = 30101760. Its totient is φ = 10018536.

The previous prime is 20052437. The next prime is 20052457. The reversal of 20052454 is 45425002.

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

It is a super-2 number, since 2×200524542 = 804201822844232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052457) 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, 312 + ... + 6340.

It is an arithmetic number, because the mean of its divisors is an integer number (3762720).

Almost surely, 220052454 is an apocalyptic number.

20052454 is a deficient number, since it is larger than the sum of its proper divisors (10049306).

20052454 is a wasteful number, since it uses less digits than its factorization.

20052454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 20052454 is about 4477.9966502891. The cubic root of 20052454 is about 271.6788579388.

Adding to 20052454 its reverse (45425002), we get a palindrome (65477456).

The spelling of 20052454 in words is "twenty million, fifty-two thousand, four hundred fifty-four".

Divisors: 1 2 1663 3326 6029 12058 10026227 20052454