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55103214 = 2313966071
BaseRepresentation
bin1101001000110…
…0111011101110
310211200112101210
43102030323232
5103101300324
65245015250
71236240525
oct322147356
9124615353
1055103214
1129116951
1216554526
13b55416a
1474654bc
154c86d29
hex348ceee

55103214 has 16 divisors (see below), whose sum is σ = 111000960. Its totient is φ = 18235320.

The previous prime is 55103179. The next prime is 55103231. The reversal of 55103214 is 41230155.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32202 + ... + 33869.

It is an arithmetic number, because the mean of its divisors is an integer number (6937560).

Almost surely, 255103214 is an apocalyptic number.

55103214 is an abundant number, since it is smaller than the sum of its proper divisors (55897746).

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

55103214 is a wasteful number, since it uses less digits than its factorization.

55103214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66215.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55103214 is about 7423.1539119164. The cubic root of 55103214 is about 380.5329870795.

Adding to 55103214 its reverse (41230155), we get a palindrome (96333369).

The spelling of 55103214 in words is "fifty-five million, one hundred three thousand, two hundred fourteen".

Divisors: 1 2 3 6 139 278 417 834 66071 132142 198213 396426 9183869 18367738 27551607 55103214