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28471114 = 2767127239
BaseRepresentation
bin110110010011…
…0111101001010
31222120111000201
41230212331022
524242033424
62454122414
7464000110
oct154467512
958514021
1028471114
1115086851
12965040a
135b8b119
143ad1ab0
152775d44
hex1b26f4a

28471114 has 32 divisors (see below), whose sum is σ = 50135040. Its totient is φ = 11875248.

The previous prime is 28471111. The next prime is 28471133. The reversal of 28471114 is 41117482.

It is not an unprimeable number, because it can be changed into a prime (28471111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119007 + ... + 119245.

It is an arithmetic number, because the mean of its divisors is an integer number (1566720).

Almost surely, 228471114 is an apocalyptic number.

28471114 is a deficient number, since it is larger than the sum of its proper divisors (21663926).

28471114 is a wasteful number, since it uses less digits than its factorization.

28471114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its digits is 1792, while the sum is 28.

The square root of 28471114 is about 5335.8330183768. The cubic root of 28471114 is about 305.3525047341.

Adding to 28471114 its reverse (41117482), we get a palindrome (69588596).

The spelling of 28471114 in words is "twenty-eight million, four hundred seventy-one thousand, one hundred fourteen".

Divisors: 1 2 7 14 67 127 134 239 254 469 478 889 938 1673 1778 3346 8509 16013 17018 30353 32026 59563 60706 112091 119126 212471 224182 424942 2033651 4067302 14235557 28471114