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54109911 = 3293120063
BaseRepresentation
bin1100111001101…
…0011011010111
310202211001211210
43032122123113
5102323004121
65211432503
71224632562
oct316323327
9122731753
1054109911
11285a8639
1216155733
13b296ccb
1472874d9
154b3c876
hex339a6d7

54109911 has 16 divisors (see below), whose sum is σ = 77045760. Its totient is φ = 33704160.

The previous prime is 54109907. The next prime is 54109921. The reversal of 54109911 is 11990145.

It is not a de Polignac number, because 54109911 - 22 = 54109907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54109901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7335 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (4815360).

Almost surely, 254109911 is an apocalyptic number.

54109911 is a deficient number, since it is larger than the sum of its proper divisors (22935849).

54109911 is a wasteful number, since it uses less digits than its factorization.

54109911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 54109911 is about 7355.9439231142. The cubic root of 54109911 is about 378.2325841085.

The spelling of 54109911 in words is "fifty-four million, one hundred nine thousand, nine hundred eleven".

Divisors: 1 3 29 31 87 93 899 2697 20063 60189 581827 621953 1745481 1865859 18036637 54109911