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7072027 = 29243863
BaseRepresentation
bin11010111110100100011011
3111022021222221
4122332210123
53302301102
6411324511
7114053104
oct32764433
914267887
107072027
113aa0356
122450737
131607c41
14d213ab
1594a637
hex6be91b

7072027 has 4 divisors (see below), whose sum is σ = 7315920. Its totient is φ = 6828136.

The previous prime is 7072007. The next prime is 7072031. The reversal of 7072027 is 7202707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7202707 = 20173571.

It is a cyclic number.

It is not a de Polignac number, because 7072027 - 27 = 7071899 is a prime.

It is a Duffinian number.

7072027 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7071992 and 7072010.

It is not an unprimeable number, because it can be changed into a prime (7072007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121903 + ... + 121960.

It is an arithmetic number, because the mean of its divisors is an integer number (1828980).

Almost surely, 27072027 is an apocalyptic number.

7072027 is a deficient number, since it is larger than the sum of its proper divisors (243893).

7072027 is a wasteful number, since it uses less digits than its factorization.

7072027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243892.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 7072027 is about 2659.3282986499. The cubic root of 7072027 is about 191.9469887648.

The spelling of 7072027 in words is "seven million, seventy-two thousand, twenty-seven".

Divisors: 1 29 243863 7072027