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6372961 = 71947917
BaseRepresentation
bin11000010011111001100001
3102222210001121
4120103321201
53112413321
6344332241
7105112030
oct30237141
912883047
106372961
113663111
122174081
1314219aa
14bbc717
1585d441
hex613e61

6372961 has 8 divisors (see below), whose sum is σ = 7666880. Its totient is φ = 5174928.

The previous prime is 6372929. The next prime is 6372967. The reversal of 6372961 is 1692736.

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

It is a 5-Lehmer number, since φ(6372961) divides (6372961-1)5.

It is a cyclic number.

It is not a de Polignac number, because 6372961 - 25 = 6372929 is a prime.

It is a super-2 number, since 2×63729612 = 81229263815042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6372967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23826 + ... + 24091.

It is an arithmetic number, because the mean of its divisors is an integer number (958360).

Almost surely, 26372961 is an apocalyptic number.

It is an amenable number.

6372961 is a deficient number, since it is larger than the sum of its proper divisors (1293919).

6372961 is a wasteful number, since it uses less digits than its factorization.

6372961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47943.

The product of its digits is 13608, while the sum is 34.

The square root of 6372961 is about 2524.4724201306. The cubic root of 6372961 is about 185.4017177585.

The spelling of 6372961 in words is "six million, three hundred seventy-two thousand, nine hundred sixty-one".

Divisors: 1 7 19 133 47917 335419 910423 6372961