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55115202 = 239185867
BaseRepresentation
bin1101001000111…
…1110111000010
310211201010211210
43102033313002
5103102141302
65245150550
71236320502
oct322176702
9124633753
1055115202
112912495a
121655b456
13b55975c
147469a02
154c8a66c
hex348fdc2

55115202 has 8 divisors (see below), whose sum is σ = 110230416. Its totient is φ = 18371732.

The previous prime is 55115201. The next prime is 55115209. The reversal of 55115202 is 20251155.

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

55115202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55115201) 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, 4592928 + ... + 4592939.

It is an arithmetic number, because the mean of its divisors is an integer number (13778802).

Almost surely, 255115202 is an apocalyptic number.

55115202 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.

55115202 is a wasteful number, since it uses less digits than its factorization.

55115202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185872.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 55115202 is about 7423.9613414942. The cubic root of 55115202 is about 380.5605807432.

Adding to 55115202 its reverse (20251155), we get a palindrome (75366357).

It can be divided in two parts, 551 and 15202, that added together give a triangular number (15753 = T177).

The spelling of 55115202 in words is "fifty-five million, one hundred fifteen thousand, two hundred two".

Divisors: 1 2 3 6 9185867 18371734 27557601 55115202