Search a number
-
+
54020117 = 293184369
BaseRepresentation
bin1100111000010…
…0100000010101
310202122111200002
43032010200111
5102312120432
65205501045
71224110024
oct316044025
9122574602
1054020117
1128547128
1216111785
13b265188
1472628bb
154b20e62
hex3384815

54020117 has 4 divisors (see below), whose sum is σ = 54204780. Its totient is φ = 53835456.

The previous prime is 54020107. The next prime is 54020119. The reversal of 54020117 is 71102045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22221796 + 31798321 = 4714^2 + 5639^2 .

It is a cyclic number.

It is not a de Polignac number, because 54020117 - 210 = 54019093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54020119) 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, 91892 + ... + 92477.

It is an arithmetic number, because the mean of its divisors is an integer number (13551195).

Almost surely, 254020117 is an apocalyptic number.

It is an amenable number.

54020117 is a deficient number, since it is larger than the sum of its proper divisors (184663).

54020117 is a wasteful number, since it uses less digits than its factorization.

54020117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184662.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 54020117 is about 7349.8378893687. The cubic root of 54020117 is about 378.0232458666.

The spelling of 54020117 in words is "fifty-four million, twenty thousand, one hundred seventeen".

Divisors: 1 293 184369 54020117