Search a number
-
+
55242708 = 2234603559
BaseRepresentation
bin1101001010111…
…0111111010100
310211221121202020
43102232333110
5103120231313
65252013140
71240361313
oct322567724
9124847666
1055242708
1129201734
12166011b0
13b5a27c1
1474a027a
154cb3323
hex34aefd4

55242708 has 12 divisors (see below), whose sum is σ = 128899680. Its totient is φ = 18414232.

The previous prime is 55242701. The next prime is 55242721. The reversal of 55242708 is 80724255.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55242701) 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, 2301768 + ... + 2301791.

It is an arithmetic number, because the mean of its divisors is an integer number (10741640).

Almost surely, 255242708 is an apocalyptic number.

It is an amenable number.

55242708 is an abundant number, since it is smaller than the sum of its proper divisors (73656972).

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

55242708 is a wasteful number, since it uses less digits than its factorization.

55242708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603566 (or 4603564 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 55242708 is about 7432.5438444721. The cubic root of 55242708 is about 380.8538234098.

The spelling of 55242708 in words is "fifty-five million, two hundred forty-two thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 4603559 9207118 13810677 18414236 27621354 55242708