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630164541 = 3533963299
BaseRepresentation
bin100101100011111…
…000110000111101
31121220202200020110
4211203320300331
52242310231131
6142310340233
721421211256
oct4543706075
91556680213
10630164541
112a3790a46
1215705a679
13a072a736
145d999b2d
153a4ca646
hex258f8c3d

630164541 has 8 divisors (see below), whose sum is σ = 856072800. Its totient is φ = 412182992.

The previous prime is 630164539. The next prime is 630164573. The reversal of 630164541 is 145461036.

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 630164541 - 21 = 630164539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630164499 and 630164508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630164531) 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, 1981491 + ... + 1981808.

It is an arithmetic number, because the mean of its divisors is an integer number (107009100).

Almost surely, 2630164541 is an apocalyptic number.

It is an amenable number.

630164541 is a deficient number, since it is larger than the sum of its proper divisors (225908259).

630164541 is a wasteful number, since it uses less digits than its factorization.

630164541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963355.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 630164541 is about 25103.0783172104. The cubic root of 630164541 is about 857.3365138663.

The spelling of 630164541 in words is "six hundred thirty million, one hundred sixty-four thousand, five hundred forty-one".

Divisors: 1 3 53 159 3963299 11889897 210054847 630164541