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54617969 = 711636709
BaseRepresentation
bin1101000001011…
…0011101110001
310210202212202202
43100112131301
5102440233334
65230352545
71232150030
oct320263561
9123685682
1054617969
112891531a
121635b755
13b414333
14737a717
154bdd17e
hex3416771

54617969 has 8 divisors (see below), whose sum is σ = 62483520. Its totient is φ = 46768176.

The previous prime is 54617947. The next prime is 54617971. The reversal of 54617969 is 96971645.

54617969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54617969 - 220 = 53569393 is a prime.

It is a super-2 number, since 2×546179692 = 5966245075369922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54617929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787 + ... + 11495.

It is an arithmetic number, because the mean of its divisors is an integer number (7810440).

Almost surely, 254617969 is an apocalyptic number.

It is an amenable number.

54617969 is a deficient number, since it is larger than the sum of its proper divisors (7865551).

54617969 is a wasteful number, since it uses less digits than its factorization.

54617969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879.

The product of its digits is 408240, while the sum is 47.

The square root of 54617969 is about 7390.3970799951. The cubic root of 54617969 is about 379.4126869224.

The spelling of 54617969 in words is "fifty-four million, six hundred seventeen thousand, nine hundred sixty-nine".

Divisors: 1 7 1163 6709 8141 46963 7802567 54617969