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627656341 = 1348281257
BaseRepresentation
bin100101011010010…
…100011010010101
31121202001020122011
4211122110122111
52241140000331
6142140504221
721360663604
oct4532243225
91552036564
10627656341
112a2328554
1215624b071
13a005cbb0
145d505a3b
153a1823b1
hex25694695

627656341 has 4 divisors (see below), whose sum is σ = 675937612. Its totient is φ = 579375072.

The previous prime is 627656339. The next prime is 627656347. The reversal of 627656341 is 143656726.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197964900 + 429691441 = 14070^2 + 20729^2 .

It is a cyclic number.

It is not a de Polignac number, because 627656341 - 21 = 627656339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 627656294 and 627656303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627656347) 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, 24140616 + ... + 24140641.

It is an arithmetic number, because the mean of its divisors is an integer number (168984403).

Almost surely, 2627656341 is an apocalyptic number.

It is an amenable number.

627656341 is a deficient number, since it is larger than the sum of its proper divisors (48281271).

627656341 is a wasteful number, since it uses less digits than its factorization.

627656341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48281270.

The product of its digits is 181440, while the sum is 40.

The square root of 627656341 is about 25053.0704904608. The cubic root of 627656341 is about 856.1975358055.

The spelling of 627656341 in words is "six hundred twenty-seven million, six hundred fifty-six thousand, three hundred forty-one".

Divisors: 1 13 48281257 627656341