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630016739 = 11257222857
BaseRepresentation
bin100101100011010…
…100101011100011
31121220111011111022
4211203110223203
52242241013424
6142303240055
721420024332
oct4543245343
91556434438
10630016739
112a369a9a0
12156ba902b
13a06a8391
145d95bd19
153a49b95e
hex258d4ae3

630016739 has 8 divisors (see below), whose sum is σ = 689968368. Its totient is φ = 570511360.

The previous prime is 630016727. The next prime is 630016741. The reversal of 630016739 is 937610036.

630016739 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 a de Polignac number, because none of the positive numbers 2k-630016739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630016699 and 630016708.

It is not an unprimeable number, because it can be changed into a prime (630016799) 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, 108602 + ... + 114255.

It is an arithmetic number, because the mean of its divisors is an integer number (86246046).

Almost surely, 2630016739 is an apocalyptic number.

630016739 is a deficient number, since it is larger than the sum of its proper divisors (59951629).

630016739 is a wasteful number, since it uses less digits than its factorization.

630016739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223125.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 630016739 is about 25100.1342426689. The cubic root of 630016739 is about 857.2694806015.

The spelling of 630016739 in words is "six hundred thirty million, sixteen thousand, seven hundred thirty-nine".

Divisors: 1 11 257 2827 222857 2451427 57274249 630016739