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616130437 = 13227208787
BaseRepresentation
bin100100101110010…
…110011110000101
31120221100200001211
4210232112132011
52230212133222
6141045451421
721161010436
oct4456263605
91527320054
10616130437
11296875a0a
12152410b71
139a855930
145bb8548d
1539157277
hex24b96785

616130437 has 8 divisors (see below), whose sum is σ = 666451296. Its totient is φ = 566227632.

The previous prime is 616130429. The next prime is 616130443. The reversal of 616130437 is 734031616.

616130437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 616130437 - 23 = 616130429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616130399 and 616130408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616130737) 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, 101443 + ... + 107344.

It is an arithmetic number, because the mean of its divisors is an integer number (83306412).

Almost surely, 2616130437 is an apocalyptic number.

It is an amenable number.

616130437 is a deficient number, since it is larger than the sum of its proper divisors (50320859).

616130437 is a wasteful number, since it uses less digits than its factorization.

616130437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209027.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 616130437 is about 24821.9748811411. The cubic root of 616130437 is about 850.9242251537.

The spelling of 616130437 in words is "six hundred sixteen million, one hundred thirty thousand, four hundred thirty-seven".

Divisors: 1 13 227 2951 208787 2714231 47394649 616130437