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28492766 = 214246383
BaseRepresentation
bin110110010110…
…0001111011110
31222121120201122
41230230033132
524243232031
62454410542
7464120201
oct154541736
958546648
1028492766
11150a1045
129660a52
135b97c33
143ad9938
15277c47b
hex1b2c3de

28492766 has 4 divisors (see below), whose sum is σ = 42739152. Its totient is φ = 14246382.

The previous prime is 28492757. The next prime is 28492769. The reversal of 28492766 is 66729482.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28492769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7123190 + ... + 7123193.

It is an arithmetic number, because the mean of its divisors is an integer number (10684788).

Almost surely, 228492766 is an apocalyptic number.

28492766 is a deficient number, since it is larger than the sum of its proper divisors (14246386).

28492766 is a wasteful number, since it uses less digits than its factorization.

28492766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14246385.

The product of its digits is 290304, while the sum is 44.

The square root of 28492766 is about 5337.8615568409. The cubic root of 28492766 is about 305.4298909714.

The spelling of 28492766 in words is "twenty-eight million, four hundred ninety-two thousand, seven hundred sixty-six".

Divisors: 1 2 14246383 28492766