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9997027 = 431371697
BaseRepresentation
bin100110001000…
…101011100011
3200210220100021
4212020223203
510024401102
6554134311
7150654565
oct46105343
920726307
109997027
115708a07
123421397
1320c0401
141483335
15d27137
hex988ae3

9997027 has 8 divisors (see below), whose sum is σ = 10310256. Its totient is φ = 9687552.

The previous prime is 9997007. The next prime is 9997033. The reversal of 9997027 is 7207999.

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

It is a cyclic number.

It is not a de Polignac number, because 9997027 - 215 = 9964259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9997007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5043 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (1288782).

Almost surely, 29997027 is an apocalyptic number.

9997027 is a deficient number, since it is larger than the sum of its proper divisors (313229).

9997027 is a wasteful number, since it uses less digits than its factorization.

9997027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 9997027 is about 3161.8075526509. The cubic root of 9997027 is about 215.4221164392.

The spelling of 9997027 in words is "nine million, nine hundred ninety-seven thousand, twenty-seven".

Divisors: 1 43 137 1697 5891 72971 232489 9997027