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7020973 = 31226483
BaseRepresentation
bin11010110010000110101101
3111012200222001
4122302012231
53244132343
6410252301
7113451211
oct32620655
914180861
107020973
113a65a63
122427091
1315ba92b
14d0a941
1593a44d
hex6b21ad

7020973 has 4 divisors (see below), whose sum is σ = 7247488. Its totient is φ = 6794460.

The previous prime is 7020971. The next prime is 7020991. The reversal of 7020973 is 3790207.

It is a happy number.

7020973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3790207 = 24115727.

It is a cyclic number.

It is not a de Polignac number, because 7020973 - 21 = 7020971 is a prime.

It is a Duffinian number.

7020973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020971) 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, 113211 + ... + 113272.

It is an arithmetic number, because the mean of its divisors is an integer number (1811872).

Almost surely, 27020973 is an apocalyptic number.

It is an amenable number.

7020973 is a deficient number, since it is larger than the sum of its proper divisors (226515).

7020973 is a wasteful number, since it uses less digits than its factorization.

7020973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226514.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 7020973 is about 2649.7118711286. The cubic root of 7020973 is about 191.4839749626.

The spelling of 7020973 in words is "seven million, twenty thousand, nine hundred seventy-three".

Divisors: 1 31 226483 7020973