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7075397 = 71010771
BaseRepresentation
bin11010111111011001000101
3111022110121202
4122333121011
53302403042
6411352245
7114065660
oct32773105
914273552
107075397
113aa293a
122452685
131609634
14d226d7
1594b632
hex6bf645

7075397 has 4 divisors (see below), whose sum is σ = 8086176. Its totient is φ = 6064620.

The previous prime is 7075373. The next prime is 7075423. The reversal of 7075397 is 7935707.

It is a happy number.

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: 7935707 = 13610439.

It is a cyclic number.

It is not a de Polignac number, because 7075397 - 28 = 7075141 is a prime.

It is a super-2 number, since 2×70753972 = 100122485415218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7075397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7075337) 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, 505379 + ... + 505392.

It is an arithmetic number, because the mean of its divisors is an integer number (2021544).

Almost surely, 27075397 is an apocalyptic number.

It is an amenable number.

7075397 is a deficient number, since it is larger than the sum of its proper divisors (1010779).

7075397 is a wasteful number, since it uses less digits than its factorization.

7075397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010778.

The product of its (nonzero) digits is 46305, while the sum is 38.

The square root of 7075397 is about 2659.9618418316. The cubic root of 7075397 is about 191.9774731239.

The spelling of 7075397 in words is "seven million, seventy-five thousand, three hundred ninety-seven".

Divisors: 1 7 1010771 7075397