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54109739 = 197140111
BaseRepresentation
bin1100111001101…
…0011000101011
310202211001121102
43032122120223
5102323002424
65211432015
71224632225
oct316323053
9122731542
1054109739
11285a84a2
121615560b
13b296bc8
147287415
154b3c7ae
hex339a62b

54109739 has 8 divisors (see below), whose sum is σ = 57761280. Its totient is φ = 50538600.

The previous prime is 54109721. The next prime is 54109751. The reversal of 54109739 is 93790145.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54109739 - 28 = 54109483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54109039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18707 + ... + 21404.

It is an arithmetic number, because the mean of its divisors is an integer number (7220160).

Almost surely, 254109739 is an apocalyptic number.

54109739 is a deficient number, since it is larger than the sum of its proper divisors (3651541).

54109739 is a wasteful number, since it uses less digits than its factorization.

54109739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40201.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 54109739 is about 7355.9322318792. The cubic root of 54109739 is about 378.2321833435.

The spelling of 54109739 in words is "fifty-four million, one hundred nine thousand, seven hundred thirty-nine".

Divisors: 1 19 71 1349 40111 762109 2847881 54109739