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7988097 = 313239857
BaseRepresentation
bin11110011110001110000001
3120000211121110
4132132032001
54021104342
6443113533
7124616625
oct36361601
916024543
107988097
114566637
1228128a9
131868bb0
1410bd185
15a7bc9c
hex79e381

7988097 has 16 divisors (see below), whose sum is σ = 11531520. Its totient is φ = 4889472.

The previous prime is 7988093. The next prime is 7988117. The reversal of 7988097 is 7908897.

7988097 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7988097 - 22 = 7988093 is a prime.

7988097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7988093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8893 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 27988097 is an apocalyptic number.

It is an amenable number.

7988097 is a deficient number, since it is larger than the sum of its proper divisors (3543423).

7988097 is a wasteful number, since it uses less digits than its factorization.

7988097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 7988097 is about 2826.3221684727. The cubic root of 7988097 is about 199.9007590977.

The spelling of 7988097 in words is "seven million, nine hundred eighty-eight thousand, ninety-seven".

Divisors: 1 3 13 39 239 717 857 2571 3107 9321 11141 33423 204823 614469 2662699 7988097