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28918348 = 2247193797
BaseRepresentation
bin110111001010…
…0001001001100
32000102012111221
41232110021030
524400341343
62511453124
7500542024
oct156241114
960365457
1028918348
1115361868
1298271a4
135cb6864
143baaa84
1528135ed
hex1b9424c

28918348 has 24 divisors (see below), whose sum is σ = 52016832. Its totient is φ = 14060544.

The previous prime is 28918333. The next prime is 28918363. The reversal of 28918348 is 84381982.

It is an interprime number because it is at equal distance from previous prime (28918333) and next prime (28918363).

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, 35886 + ... + 36682.

It is an arithmetic number, because the mean of its divisors is an integer number (2167368).

Almost surely, 228918348 is an apocalyptic number.

It is an amenable number.

28918348 is a deficient number, since it is larger than the sum of its proper divisors (23098484).

28918348 is a wasteful number, since it uses less digits than its factorization.

28918348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1039 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 28918348 is about 5377.5782653533. The cubic root of 28918348 is about 306.9430657611.

The spelling of 28918348 in words is "twenty-eight million, nine hundred eighteen thousand, three hundred forty-eight".

Divisors: 1 2 4 47 94 188 193 386 772 797 1594 3188 9071 18142 36284 37459 74918 149836 153821 307642 615284 7229587 14459174 28918348