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55381702 = 21071371889
BaseRepresentation
bin1101001101000…
…0111011000110
310212012200102011
43103100323012
5103134203302
65255004434
71241510455
oct323207306
9125180364
1055381702
1129297102
121666971a
13b620b4c
1474d8b9c
154cde5d7
hex34d0ec6

55381702 has 16 divisors (see below), whose sum is σ = 84505680. Its totient is φ = 27217408.

The previous prime is 55381687. The next prime is 55381741. The reversal of 55381702 is 20718355.

55381702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 28374 + ... + 30262.

It is an arithmetic number, because the mean of its divisors is an integer number (5281605).

Almost surely, 255381702 is an apocalyptic number.

55381702 is a deficient number, since it is larger than the sum of its proper divisors (29123978).

55381702 is a wasteful number, since it uses less digits than its factorization.

55381702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 55381702 is about 7441.8883356310. Note that the first 3 decimals coincide. The cubic root of 55381702 is about 381.1729729901.

The spelling of 55381702 in words is "fifty-five million, three hundred eighty-one thousand, seven hundred two".

Divisors: 1 2 107 137 214 274 1889 3778 14659 29318 202123 258793 404246 517586 27690851 55381702