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28612464 = 243596093
BaseRepresentation
bin110110100100…
…1011101110000
31222211122220220
41231021131300
524311044324
62501133040
7465126156
oct155113560
958748826
1028612464
1115172a71
1296ba180
135c0a56a
143b2b3d6
1527a2b79
hex1b49770

28612464 has 20 divisors (see below), whose sum is σ = 73915656. Its totient is φ = 9537472.

The previous prime is 28612459. The next prime is 28612469. The reversal of 28612464 is 46421682.

It is an interprime number because it is at equal distance from previous prime (28612459) and next prime (28612469).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28612469) 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 3 ways as a sum of consecutive naturals, for example, 297999 + ... + 298094.

Almost surely, 228612464 is an apocalyptic number.

28612464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28612464 is an abundant number, since it is smaller than the sum of its proper divisors (45303192).

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

28612464 is a wasteful number, since it uses less digits than its factorization.

28612464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596104 (or 596098 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 28612464 is about 5349.0619738418. The cubic root of 28612464 is about 305.8569967031.

The spelling of 28612464 in words is "twenty-eight million, six hundred twelve thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 596093 1192186 1788279 2384372 3576558 4768744 7153116 9537488 14306232 28612464