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28057606 = 289157627
BaseRepresentation
bin110101100001…
…0000000000110
31221210110210121
41223002000012
524140320411
62441212154
7460325413
oct153020006
957713717
1028057606
1114924105
12949105a
135a74b45
143a2510a
1526e3571
hex1ac2006

28057606 has 8 divisors (see below), whose sum is σ = 42559560. Its totient is φ = 13871088.

The previous prime is 28057597. The next prime is 28057619. The reversal of 28057606 is 60675082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78636 + ... + 78991.

It is an arithmetic number, because the mean of its divisors is an integer number (5319945).

Almost surely, 228057606 is an apocalyptic number.

28057606 is a deficient number, since it is larger than the sum of its proper divisors (14501954).

28057606 is a wasteful number, since it uses less digits than its factorization.

28057606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157718.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 28057606 is about 5296.9430806834. The cubic root of 28057606 is about 303.8669994729.

The spelling of 28057606 in words is "twenty-eight million, fifty-seven thousand, six hundred six".

Divisors: 1 2 89 178 157627 315254 14028803 28057606