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20054504 = 232506813
BaseRepresentation
bin100110010000…
…0000111101000
31101201212121102
41030200013220
520113221004
61553500532
7332313641
oct114400750
941655542
1020054504
1110358278
126871748
134202192
1429406c8
151b6211e
hex13201e8

20054504 has 8 divisors (see below), whose sum is σ = 37602210. Its totient is φ = 10027248.

The previous prime is 20054491. The next prime is 20054521. The reversal of 20054504 is 40545002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19802500 + 252004 = 4450^2 + 502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253399 + ... + 1253414.

Almost surely, 220054504 is an apocalyptic number.

It is an amenable number.

20054504 is a deficient number, since it is larger than the sum of its proper divisors (17547706).

20054504 is a wasteful number, since it uses less digits than its factorization.

20054504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506819 (or 2506815 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20054504 is about 4478.2255414394. The cubic root of 20054504 is about 271.6881157031.

Adding to 20054504 its reverse (40545002), we get a palindrome (60599506).

The spelling of 20054504 in words is "twenty million, fifty-four thousand, five hundred four".

Divisors: 1 2 4 8 2506813 5013626 10027252 20054504