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54212123 = 713159119
BaseRepresentation
bin1100111011001…
…1011000011011
310210000021001102
43032303120123
5102334241443
65213542015
71225536560
oct316633033
9123007042
1054212123
1128668409
12161a490b
13b3016a4
1472b2867
154b5ccb8
hex33b361b

54212123 has 8 divisors (see below), whose sum is σ = 62430720. Its totient is φ = 46112040.

The previous prime is 54212117. The next prime is 54212143. The reversal of 54212123 is 32121245.

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 54212123 - 210 = 54211099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54212095 and 54212104.

It is not an unprimeable number, because it can be changed into a prime (54212113) 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, 28643 + ... + 30476.

It is an arithmetic number, because the mean of its divisors is an integer number (7803840).

Almost surely, 254212123 is an apocalyptic number.

54212123 is a deficient number, since it is larger than the sum of its proper divisors (8218597).

54212123 is a wasteful number, since it uses less digits than its factorization.

54212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59257.

The product of its digits is 480, while the sum is 20.

The square root of 54212123 is about 7362.8882240599. Note that the first 3 decimals coincide. The cubic root of 54212123 is about 378.4705909802.

Adding to 54212123 its reverse (32121245), we get a palindrome (86333368).

The spelling of 54212123 in words is "fifty-four million, two hundred twelve thousand, one hundred twenty-three".

Divisors: 1 7 131 917 59119 413833 7744589 54212123