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28632348 = 2232795343
BaseRepresentation
bin110110100111…
…0010100011100
31222212200012100
41231032110130
524312213343
62501405100
7465241143
oct155162434
958780170
1028632348
11151869a8
129709790
135c16624
143b3475a
1527a89d3
hex1b4e51c

28632348 has 18 divisors (see below), whose sum is σ = 72376304. Its totient is φ = 9544104.

The previous prime is 28632343. The next prime is 28632371. The reversal of 28632348 is 84323682.

28632348 is a `hidden beast` number, since 286 + 32 + 348 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×286323482 = 1639622703986208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 795343 = 28632348 / (2 + 8 + 6 + 3 + 2 + 3 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28632341) 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 5 ways as a sum of consecutive naturals, for example, 397636 + ... + 397707.

Almost surely, 228632348 is an apocalyptic number.

It is an amenable number.

28632348 is an abundant number, since it is smaller than the sum of its proper divisors (43743956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28632348 is a wasteful number, since it uses less digits than its factorization.

28632348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795353 (or 795348 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28632348 is about 5350.9202946783. The cubic root of 28632348 is about 305.9278312441.

The spelling of 28632348 in words is "twenty-eight million, six hundred thirty-two thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 795343 1590686 2386029 3181372 4772058 7158087 9544116 14316174 28632348