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28606101 = 39535367
BaseRepresentation
bin110110100011…
…1111010010101
31222211100012020
41231013322111
524310343401
62501043353
7465101466
oct155077225
958740166
1028606101
1115169207
1296b6559
135c076b4
143b28d6d
1527a0d36
hex1b47e95

28606101 has 4 divisors (see below), whose sum is σ = 38141472. Its totient is φ = 19070732.

The previous prime is 28606099. The next prime is 28606117. The reversal of 28606101 is 10160682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28606101 - 21 = 28606099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28606141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4767681 + ... + 4767686.

It is an arithmetic number, because the mean of its divisors is an integer number (9535368).

Almost surely, 228606101 is an apocalyptic number.

It is an amenable number.

28606101 is a deficient number, since it is larger than the sum of its proper divisors (9535371).

28606101 is an equidigital number, since it uses as much as digits as its factorization.

28606101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535370.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 28606101 is about 5348.4671635900. The cubic root of 28606101 is about 305.8343222915.

Adding to 28606101 its reverse (10160682), we get a palindrome (38766783).

The spelling of 28606101 in words is "twenty-eight million, six hundred six thousand, one hundred one".

Divisors: 1 3 9535367 28606101