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55190184 = 2337328513
BaseRepresentation
bin1101001010001…
…0001010101000
310211211221200220
43102202022220
5103112041214
65250530040
71240052220
oct322421250
9124757626
1055190184
1129176225
1216596920
13b58491a
147489080
154ca29a9
hex34a22a8

55190184 has 32 divisors (see below), whose sum is σ = 157686720. Its totient is φ = 15768576.

The previous prime is 55190167. The next prime is 55190189. The reversal of 55190184 is 48109155.

It is not an unprimeable number, because it can be changed into a prime (55190189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164089 + ... + 164424.

It is an arithmetic number, because the mean of its divisors is an integer number (4927710).

Almost surely, 255190184 is an apocalyptic number.

It is an amenable number.

55190184 is an abundant number, since it is smaller than the sum of its proper divisors (102496536).

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

55190184 is a wasteful number, since it uses less digits than its factorization.

55190184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328529 (or 328525 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 55190184 is about 7429.0096244385. The cubic root of 55190184 is about 380.7330816255.

The spelling of 55190184 in words is "fifty-five million, one hundred ninety thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 328513 657026 985539 1314052 1971078 2299591 2628104 3942156 4599182 6898773 7884312 9198364 13797546 18396728 27595092 55190184