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7000077 = 37333337
BaseRepresentation
bin11010101101000000001101
3111011122022010
4122231000031
53243000302
6410011433
7113333250
oct32550015
914148263
107000077
113a51297
122416b79
1315b1276
14d03097
1593416c
hex6ad00d

7000077 has 8 divisors (see below), whose sum is σ = 10666816. Its totient is φ = 4000032.

The previous prime is 7000069. The next prime is 7000087. The reversal of 7000077 is 7700007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7000077 - 23 = 7000069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 333337 = 7000077 / (7 + 0 + 0 + 0 + 0 + 7 + 7).

It is an Ulam number.

It is a Duffinian number.

7000077 is a modest number, since divided by 77 gives 7 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7000057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166648 + ... + 166689.

It is an arithmetic number, because the mean of its divisors is an integer number (1333352).

Almost surely, 27000077 is an apocalyptic number.

It is an amenable number.

7000077 is a deficient number, since it is larger than the sum of its proper divisors (3666739).

7000077 is a wasteful number, since it uses less digits than its factorization.

7000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333347.

The product of its (nonzero) digits is 343, while the sum is 21.

The square root of 7000077 is about 2645.7658626568. The cubic root of 7000077 is about 191.2938196828.

The spelling of 7000077 in words is "seven million, seventy-seven", and thus it is an aban number and an uban number.

Divisors: 1 3 7 21 333337 1000011 2333359 7000077