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55150288 = 243739241
BaseRepresentation
bin1101001001100…
…0011011010000
310211202220222021
43102120123100
5103104302123
65250021224
71236525004
oct322303320
9124686867
1055150288
1129149256
1216577814
13b56c70b
147478704
154c95c5d
hex34986d0

55150288 has 20 divisors (see below), whose sum is σ = 107151748. Its totient is φ = 27498240.

The previous prime is 55150279. The next prime is 55150301. The reversal of 55150288 is 88205155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45859984 + 9290304 = 6772^2 + 3048^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348 + ... + 10588.

Almost surely, 255150288 is an apocalyptic number.

It is an amenable number.

55150288 is a deficient number, since it is larger than the sum of its proper divisors (52001460).

55150288 is a wasteful number, since it uses less digits than its factorization.

55150288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622 (or 9616 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 55150288 is about 7426.3239897004. The cubic root of 55150288 is about 380.6413177916.

The spelling of 55150288 in words is "fifty-five million, one hundred fifty thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 373 746 1492 2984 5968 9241 18482 36964 73928 147856 3446893 6893786 13787572 27575144 55150288