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55154386 = 274438893
BaseRepresentation
bin1101001001100…
…1011011010010
310211210010121001
43102121123102
5103104420021
65250052214
71236542650
oct322313322
9124703531
1055154386
1129151341
121657a06a
13b571541
147479dd0
154c97091
hex34996d2

55154386 has 16 divisors (see below), whose sum is σ = 94774464. Its totient is φ = 23581584.

The previous prime is 55154381. The next prime is 55154387. The reversal of 55154386 is 68345155.

55154386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×551543863 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55154381) 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, 1756 + ... + 10648.

It is an arithmetic number, because the mean of its divisors is an integer number (5923404).

Almost surely, 255154386 is an apocalyptic number.

55154386 is a deficient number, since it is larger than the sum of its proper divisors (39620078).

55154386 is a wasteful number, since it uses less digits than its factorization.

55154386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345.

The product of its digits is 72000, while the sum is 37.

The square root of 55154386 is about 7426.5998949721. The cubic root of 55154386 is about 380.6507455422.

The spelling of 55154386 in words is "fifty-five million, one hundred fifty-four thousand, three hundred eighty-six".

Divisors: 1 2 7 14 443 886 3101 6202 8893 17786 62251 124502 3939599 7879198 27577193 55154386