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54905907 = 372614567
BaseRepresentation
bin1101000101110…
…0110000110011
310211022111202010
43101130300303
5103023442112
65240454003
71234456350
oct321346063
9124274663
1054905907
1128aa1691
121647a303
13b4b5404
147413627
154c4863c
hex345cc33

54905907 has 8 divisors (see below), whose sum is σ = 83666176. Its totient is φ = 31374792.

The previous prime is 54905887. The next prime is 54905927. The reversal of 54905907 is 70950945.

54905907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54905887) and next prime (54905927).

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

It is not a de Polignac number, because 54905907 - 26 = 54905843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54905927) 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, 1307263 + ... + 1307304.

It is an arithmetic number, because the mean of its divisors is an integer number (10458272).

Almost surely, 254905907 is an apocalyptic number.

54905907 is a deficient number, since it is larger than the sum of its proper divisors (28760269).

54905907 is a wasteful number, since it uses less digits than its factorization.

54905907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614577.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 54905907 is about 7409.8520228140. The cubic root of 54905907 is about 380.0782548900.

The spelling of 54905907 in words is "fifty-four million, nine hundred five thousand, nine hundred seven".

Divisors: 1 3 7 21 2614567 7843701 18301969 54905907