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14870055 = 351815477
BaseRepresentation
bin111000101110…
…011000100111
31000222110212210
4320232120213
512301320210
61250414503
7240251634
oct70563047
930873783
1014870055
118437102
124b91433
133108465
141d9118b
15148ae20
hexe2e627

14870055 has 16 divisors (see below), whose sum is σ = 23927904. Its totient is φ = 7885440.

The previous prime is 14870039. The next prime is 14870057. The reversal of 14870055 is 55007841.

It is not a de Polignac number, because 14870055 - 24 = 14870039 is a prime.

It is a super-2 number, since 2×148700552 = 442237071406050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14870057) 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 15 ways as a sum of consecutive naturals, for example, 24 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (1495494).

Almost surely, 214870055 is an apocalyptic number.

14870055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14870055 is a deficient number, since it is larger than the sum of its proper divisors (9057849).

14870055 is a wasteful number, since it uses less digits than its factorization.

14870055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 14870055 is about 3856.1710283648. The cubic root of 14870055 is about 245.9069811579.

Adding to 14870055 its reverse (55007841), we get a palindrome (69877896).

The spelling of 14870055 in words is "fourteen million, eight hundred seventy thousand, fifty-five".

Divisors: 1 3 5 15 181 543 905 2715 5477 16431 27385 82155 991337 2974011 4956685 14870055