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20054072 = 232506759
BaseRepresentation
bin100110010000…
…0000000111000
31101201212000102
41030200000320
520113212242
61553454532
7332312453
oct114400070
941655012
1020054072
1110357a15
126871448
134201c1c
14294049a
151b61e32
hex1320038

20054072 has 8 divisors (see below), whose sum is σ = 37601400. Its totient is φ = 10027032.

The previous prime is 20054017. The next prime is 20054093. The reversal of 20054072 is 27045002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253372 + ... + 1253387.

It is an arithmetic number, because the mean of its divisors is an integer number (4700175).

Almost surely, 220054072 is an apocalyptic number.

It is an amenable number.

20054072 is a deficient number, since it is larger than the sum of its proper divisors (17547328).

20054072 is a wasteful number, since it uses less digits than its factorization.

20054072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506765 (or 2506761 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20054072 is about 4478.1773077894. The cubic root of 20054072 is about 271.6861648511.

Adding to 20054072 its reverse (27045002), we get a palindrome (47099074).

The spelling of 20054072 in words is "twenty million, fifty-four thousand, seventy-two".

Divisors: 1 2 4 8 2506759 5013518 10027036 20054072