Search a number
-
+
6955087 = 13195273
BaseRepresentation
bin11010100010000001001111
3111002100120211
4122202001033
53240030322
6405023251
7113055136
oct32420117
914070524
106955087
113a20507
1223b4b27
131596949
14cd091d
15925b77
hex6a204f

6955087 has 4 divisors (see below), whose sum is σ = 6961680. Its totient is φ = 6948496.

The previous prime is 6955073. The next prime is 6955093. The reversal of 6955087 is 7805596.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 4-Lehmer number, since φ(6955087) divides (6955087-1)4.

It is a cyclic number.

It is not a de Polignac number, because 6955087 - 215 = 6922319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6955027) 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, 1318 + ... + 3955.

It is an arithmetic number, because the mean of its divisors is an integer number (1740420).

Almost surely, 26955087 is an apocalyptic number.

6955087 is the 1319-th decagonal number.

6955087 is a deficient number, since it is larger than the sum of its proper divisors (6593).

6955087 is a wasteful number, since it uses less digits than its factorization.

6955087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 6955087 is about 2637.2498933548. The cubic root of 6955087 is about 190.8831188265.

The spelling of 6955087 in words is "six million, nine hundred fifty-five thousand, eighty-seven".

Divisors: 1 1319 5273 6955087