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630541142 = 271129592393
BaseRepresentation
bin100101100101010…
…100101101010110
31121221110210211122
4211211110231112
52242404304032
6142322403542
721424340240
oct4545245526
91557423748
10630541142
112a3a18990
121572005b2
13a082cc8a
145da57090
153a552012
hex25954b56

630541142 has 64 divisors (see below), whose sum is σ = 1241049600. Its totient is φ = 233076480.

The previous prime is 630541141. The next prime is 630541181. The reversal of 630541142 is 241145036.

630541142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630541141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262298 + ... + 264690.

It is an arithmetic number, because the mean of its divisors is an integer number (19391400).

Almost surely, 2630541142 is an apocalyptic number.

630541142 is a deficient number, since it is larger than the sum of its proper divisors (610508458).

630541142 is a wasteful number, since it uses less digits than its factorization.

630541142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 630541142 is about 25110.5782888407. The cubic root of 630541142 is about 857.5072679418.

Adding to 630541142 its reverse (241145036), we get a palindrome (871686178).

The spelling of 630541142 in words is "six hundred thirty million, five hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 29 58 59 77 118 154 203 319 406 413 638 649 826 1298 1711 2233 2393 3422 4466 4543 4786 9086 11977 16751 18821 23954 26323 33502 37642 52646 69397 131747 138794 141187 184261 263494 282374 368522 485779 763367 971558 988309 1526734 1553057 1976618 3106114 4094423 5343569 8188846 10687138 10871399 21742798 28660961 45038653 57321922 90077306 315270571 630541142