Search a number
-
+
6131995 = 56591861
BaseRepresentation
bin10111011001000100011011
3102112112111221
4113121010123
53032210440
6335232511
7103056352
oct27310433
912475457
106131995
113509071
122078737
1313690cc
14b58999
15811d4a
hex5d911b

6131995 has 8 divisors (see below), whose sum is σ = 7373520. Its totient is φ = 4895520.

The previous prime is 6131989. The next prime is 6131999. The reversal of 6131995 is 5991316.

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

It is not a de Polignac number, because 6131995 - 211 = 6129947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6131995.

It is not an unprimeable number, because it can be changed into a prime (6131999) 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, 2365 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (921690).

Almost surely, 26131995 is an apocalyptic number.

6131995 is a deficient number, since it is larger than the sum of its proper divisors (1241525).

6131995 is a wasteful number, since it uses less digits than its factorization.

6131995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525.

The product of its digits is 7290, while the sum is 34.

The square root of 6131995 is about 2476.2865343090. The cubic root of 6131995 is about 183.0349102778.

The spelling of 6131995 in words is "six million, one hundred thirty-one thousand, nine hundred ninety-five".

Divisors: 1 5 659 1861 3295 9305 1226399 6131995