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55107340 = 22526910243
BaseRepresentation
bin1101001000110…
…1111100001100
310211200202001121
43102031330030
5103101413330
65245050324
71236255541
oct322157414
9124622047
1055107340
1129119a62
12165569a4
13b555cc2
147466bc8
154c8817a
hex348df0c

55107340 has 24 divisors (see below), whose sum is σ = 116166960. Its totient is φ = 21958848.

The previous prime is 55107313. The next prime is 55107343. The reversal of 55107340 is 4370155.

55107340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55107343) 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 7 ways as a sum of consecutive naturals, for example, 259 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (4840290).

Almost surely, 255107340 is an apocalyptic number.

It is an amenable number.

55107340 is an abundant number, since it is smaller than the sum of its proper divisors (61059620).

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

55107340 is a wasteful number, since it uses less digits than its factorization.

55107340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521 (or 10519 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55107340 is about 7423.4318209303. The cubic root of 55107340 is about 380.5424846496.

Adding to 55107340 its reverse (4370155), we get a palindrome (59477495).

The spelling of 55107340 in words is "fifty-five million, one hundred seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 269 538 1076 1345 2690 5380 10243 20486 40972 51215 102430 204860 2755367 5510734 11021468 13776835 27553670 55107340