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10028797 = 24234139
BaseRepresentation
bin100110010000…
…011011111101
3200212111220221
4212100123331
510031410142
6554541341
7151146322
oct46203375
920774827
1010028797
11572a869
123437851
1321019cc
141490b49
15d31767
hex9906fd

10028797 has 4 divisors (see below), whose sum is σ = 10035360. Its totient is φ = 10022236.

The previous prime is 10028773. The next prime is 10028803. The reversal of 10028797 is 79782001.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79782001 = 136137077.

It is a cyclic number.

It is not a de Polignac number, because 10028797 - 223 = 1640189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10028737) 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, 354 + ... + 4492.

It is an arithmetic number, because the mean of its divisors is an integer number (2508840).

Almost surely, 210028797 is an apocalyptic number.

It is an amenable number.

10028797 is a deficient number, since it is larger than the sum of its proper divisors (6563).

10028797 is an equidigital number, since it uses as much as digits as its factorization.

10028797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 10028797 is about 3166.8275924022. The cubic root of 10028797 is about 215.6500749947.

The spelling of 10028797 in words is "ten million, twenty-eight thousand, seven hundred ninety-seven".

Divisors: 1 2423 4139 10028797