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7998027 = 311323593
BaseRepresentation
bin11110100000101001001011
3120001100020020
4132200221023
54021414102
6443231523
7124660602
oct36405113
916040206
107998027
114573044
1228185a3
13187057b
1410c2a39
15a7ebbc
hex7a0a4b

7998027 has 8 divisors (see below), whose sum is σ = 10758864. Its totient is φ = 5284608.

The previous prime is 7998019. The next prime is 7998047. The reversal of 7998027 is 7208997.

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

It is not a de Polignac number, because 7998027 - 23 = 7998019 is a prime.

7998027 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7998027.

It is not an unprimeable number, because it can be changed into a prime (7998047) 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, 11458 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (1344858).

Almost surely, 27998027 is an apocalyptic number.

7998027 is a deficient number, since it is larger than the sum of its proper divisors (2760837).

7998027 is a wasteful number, since it uses less digits than its factorization.

7998027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23709.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 7998027 is about 2828.0783228192. The cubic root of 7998027 is about 199.9835569815.

The spelling of 7998027 in words is "seven million, nine hundred ninety-eight thousand, twenty-seven".

Divisors: 1 3 113 339 23593 70779 2666009 7998027