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7009157 = 19472167
BaseRepresentation
bin11010101111001110000101
3111012002202102
4122233032011
53243243112
6410121445
7113401601
oct32571605
914162672
107009157
113a580a1
122420285
1315b543c
14d06501
15936bc2
hex6af385

7009157 has 12 divisors (see below), whose sum is σ = 7583520. Its totient is φ = 6460056.

The previous prime is 7009147. The next prime is 7009159. The reversal of 7009157 is 7519007.

7009157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7009157 - 28 = 7008901 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 (7009159) 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 11 ways as a sum of consecutive naturals, for example, 41888 + ... + 42054.

It is an arithmetic number, because the mean of its divisors is an integer number (631960).

Almost surely, 27009157 is an apocalyptic number.

It is an amenable number.

7009157 is a deficient number, since it is larger than the sum of its proper divisors (574363).

7009157 is a wasteful number, since it uses less digits than its factorization.

7009157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 7009157 is about 2647.4812558354. The cubic root of 7009157 is about 191.3764948404.

The spelling of 7009157 in words is "seven million, nine thousand, one hundred fifty-seven".

Divisors: 1 19 47 167 893 2209 3173 7849 41971 149131 368903 7009157