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55208346 = 239201391
BaseRepresentation
bin1101001010011…
…0100110011010
310211212212121120
43102212212122
5103113131341
65251150110
71240156164
oct322464632
9124785546
1055208346
1129188936
12165a5336
13b58cc7b
147491934
154ca8066
hex34a699a

55208346 has 8 divisors (see below), whose sum is σ = 110416704. Its totient is φ = 18402780.

The previous prime is 55208341. The next prime is 55208347. The reversal of 55208346 is 64380255.

55208346 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.

55208346 is an admirable number.

It is a super-2 number, since 2×552083462 = 6095922936111432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55208341) 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 3 ways as a sum of consecutive naturals, for example, 4600690 + ... + 4600701.

It is an arithmetic number, because the mean of its divisors is an integer number (13802088).

Almost surely, 255208346 is an apocalyptic number.

55208346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55208346 is a wasteful number, since it uses less digits than its factorization.

55208346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201396.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 55208346 is about 7430.2318940932. The cubic root of 55208346 is about 380.7748409587.

The spelling of 55208346 in words is "fifty-five million, two hundred eight thousand, three hundred forty-six".

Divisors: 1 2 3 6 9201391 18402782 27604173 55208346