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55387234 = 2731112721
BaseRepresentation
bin1101001101001…
…0010001100010
310212012222000001
43103102101202
5103134342414
65255050214
71241532550
oct323222142
9125188001
1055387234
11292a0281
121667096a
13b623516
1474dabd0
154ce1074
hex34d2462

55387234 has 16 divisors (see below), whose sum is σ = 95262336. Its totient is φ = 23659200.

The previous prime is 55387229. The next prime is 55387247. The reversal of 55387234 is 43278355.

It is a junction number, because it is equal to n+sod(n) for n = 55387193 and 55387202.

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 7 ways as a sum of consecutive naturals, for example, 2007 + ... + 10714.

It is an arithmetic number, because the mean of its divisors is an integer number (5953896).

Almost surely, 255387234 is an apocalyptic number.

55387234 is a deficient number, since it is larger than the sum of its proper divisors (39875102).

55387234 is a wasteful number, since it uses less digits than its factorization.

55387234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13041.

The product of its digits is 100800, while the sum is 37.

The square root of 55387234 is about 7442.2600062078. The cubic root of 55387234 is about 381.1856641776.

The spelling of 55387234 in words is "fifty-five million, three hundred eighty-seven thousand, two hundred thirty-four".

Divisors: 1 2 7 14 311 622 2177 4354 12721 25442 89047 178094 3956231 7912462 27693617 55387234