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55310302 = 270139451
BaseRepresentation
bin1101001011111…
…1011111011110
310212002001110201
43102333133132
5103124412202
65253254114
71241062345
oct322773736
9125061421
1055310302
11292484a3
121663433a
13b5c74b8
1474bab5c
154cc8387
hex34bf7de

55310302 has 8 divisors (see below), whose sum is σ = 83085912. Its totient is φ = 27615000.

The previous prime is 55310291. The next prime is 55310303. The reversal of 55310302 is 20301355.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55310302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55310303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18324 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (10385739).

Almost surely, 255310302 is an apocalyptic number.

55310302 is a deficient number, since it is larger than the sum of its proper divisors (27775610).

55310302 is a wasteful number, since it uses less digits than its factorization.

55310302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40154.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 55310302 is about 7437.0896189302. The cubic root of 55310302 is about 381.0090954307.

Adding to 55310302 its reverse (20301355), we get a palindrome (75611657).

The spelling of 55310302 in words is "fifty-five million, three hundred ten thousand, three hundred two".

Divisors: 1 2 701 1402 39451 78902 27655151 55310302