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630001361 = 11109525439
BaseRepresentation
bin100101100011010…
…000111011010001
31121220110101101202
4211203100323101
52242240020421
6142303040545
721416631443
oct4543207321
91556411352
10630001361
112a368a390
12156ba0155
13a06a1392
145d956493
153a49710b
hex258d0ed1

630001361 has 8 divisors (see below), whose sum is σ = 693580800. Its totient is φ = 567473040.

The previous prime is 630001343. The next prime is 630001387. The reversal of 630001361 is 163100036.

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 630001361 - 222 = 625807057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630001391) 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, 261521 + ... + 263918.

It is an arithmetic number, because the mean of its divisors is an integer number (86697600).

Almost surely, 2630001361 is an apocalyptic number.

It is an amenable number.

630001361 is a deficient number, since it is larger than the sum of its proper divisors (63579439).

630001361 is a wasteful number, since it uses less digits than its factorization.

630001361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525559.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 630001361 is about 25099.8279077766. The cubic root of 630001361 is about 857.2625055502.

Adding to 630001361 its reverse (163100036), we get a palindrome (793101397).

The spelling of 630001361 in words is "six hundred thirty million, one thousand, three hundred sixty-one".

Divisors: 1 11 109 1199 525439 5779829 57272851 630001361