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72116341 = 116556031
BaseRepresentation
bin1000100110001…
…10100001110101
312000200220000121
410103012201311
5121430210331
611053411541
71533656503
oct423064165
9160626017
1072116341
1137787090
1220199bb1
1311c2cbbb
149813673
1564e7c11
hex44c6875

72116341 has 4 divisors (see below), whose sum is σ = 78672384. Its totient is φ = 65560300.

The previous prime is 72116327. The next prime is 72116351. The reversal of 72116341 is 14361127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72116341 - 215 = 72083573 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 (72116351) 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, 3278005 + ... + 3278026.

It is an arithmetic number, because the mean of its divisors is an integer number (19668096).

Almost surely, 272116341 is an apocalyptic number.

It is an amenable number.

72116341 is a deficient number, since it is larger than the sum of its proper divisors (6556043).

72116341 is a wasteful number, since it uses less digits than its factorization.

72116341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556042.

The product of its digits is 1008, while the sum is 25.

The square root of 72116341 is about 8492.1340662992. The cubic root of 72116341 is about 416.2407172071.

Adding to 72116341 its reverse (14361127), we get a palindrome (86477468).

The spelling of 72116341 in words is "seventy-two million, one hundred sixteen thousand, three hundred forty-one".

Divisors: 1 11 6556031 72116341