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55345434 = 239224239
BaseRepresentation
bin1101001100100…
…0000100011010
310212010211122220
43103020010122
5103132023214
65254124510
71241266644
oct323100432
9125124586
1055345434
1129271931
1216650736
13b60a4a1
1474c9894
154cd39a9
hex34c811a

55345434 has 8 divisors (see below), whose sum is σ = 110690880. Its totient is φ = 18448476.

The previous prime is 55345403. The next prime is 55345439. The reversal of 55345434 is 43454355.

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

55345434 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55345395 and 55345404.

It is not an unprimeable number, because it can be changed into a prime (55345439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4612114 + ... + 4612125.

It is an arithmetic number, because the mean of its divisors is an integer number (13836360).

Almost surely, 255345434 is an apocalyptic number.

55345434 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.

55345434 is a wasteful number, since it uses less digits than its factorization.

55345434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224244.

The product of its digits is 72000, while the sum is 33.

The square root of 55345434 is about 7439.4511894360. The cubic root of 55345434 is about 381.0897481480.

Adding to 55345434 its reverse (43454355), we get a palindrome (98799789).

The spelling of 55345434 in words is "fifty-five million, three hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9224239 18448478 27672717 55345434