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28034672 = 248232129
BaseRepresentation
bin110101011110…
…0011001110000
31221202022100012
41222330121300
524134102142
62440514052
7460201511
oct152743160
957668305
1028034672
1114908956
12947b928
135a67583
143a1aa08
1526db882
hex1abc670

28034672 has 20 divisors (see below), whose sum is σ = 54408720. Its totient is φ = 13993728.

The previous prime is 28034663. The next prime is 28034681. The reversal of 28034672 is 27643082.

It is an interprime number because it is at equal distance from previous prime (28034663) and next prime (28034681).

It is a congruent number.

It is an unprimeable number.

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, 12104 + ... + 14232.

It is an arithmetic number, because the mean of its divisors is an integer number (2720436).

Almost surely, 228034672 is an apocalyptic number.

It is an amenable number.

28034672 is a deficient number, since it is larger than the sum of its proper divisors (26374048).

28034672 is a wasteful number, since it uses less digits than its factorization.

28034672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 28034672 is about 5294.7778045920. Note that the first 3 decimals coincide. The cubic root of 28034672 is about 303.7841843128.

The spelling of 28034672 in words is "twenty-eight million, thirty-four thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 823 1646 2129 3292 4258 6584 8516 13168 17032 34064 1752167 3504334 7008668 14017336 28034672