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6880054 = 215721911
BaseRepresentation
bin11010001111101100110110
3110221112122211
4122033230312
53230130204
6403244034
7112323316
oct32175466
913845584
106880054
11397a0a5
12237961a
13156b74c
14cb1446
1590d804
hex68fb36

6880054 has 8 divisors (see below), whose sum is σ = 10386288. Its totient is φ = 3417960.

The previous prime is 6880051. The next prime is 6880057. The reversal of 6880054 is 4500886.

It is an interprime number because it is at equal distance from previous prime (6880051) and next prime (6880057).

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

It is a junction number, because it is equal to n+sod(n) for n = 6879998 and 6880025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880051) 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, 10642 + ... + 11269.

It is an arithmetic number, because the mean of its divisors is an integer number (1298286).

Almost surely, 26880054 is an apocalyptic number.

6880054 is a deficient number, since it is larger than the sum of its proper divisors (3506234).

6880054 is a wasteful number, since it uses less digits than its factorization.

6880054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22070.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 6880054 is about 2622.9857033541. The cubic root of 6880054 is about 190.1942058597.

The spelling of 6880054 in words is "six million, eight hundred eighty thousand, fifty-four".

Divisors: 1 2 157 314 21911 43822 3440027 6880054