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630497466 = 23371164449
BaseRepresentation
bin100101100101001…
…010000010111010
31121221101120221000
4211211022002322
52242401404331
6142321425430
721424066014
oct4545120272
91557346830
10630497466
112a3999095
1215719b276
13a0816131
145da451b4
153a5440e6
hex2594a0ba

630497466 has 32 divisors (see below), whose sum is σ = 1420848000. Its totient is φ = 207204480.

The previous prime is 630497447. The next prime is 630497473. The reversal of 630497466 is 664794036.

630497466 is a `hidden beast` number, since 630 + 4 + 9 + 7 + 4 + 6 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78391 + ... + 86058.

It is an arithmetic number, because the mean of its divisors is an integer number (44401500).

Almost surely, 2630497466 is an apocalyptic number.

630497466 is an abundant number, since it is smaller than the sum of its proper divisors (790350534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630497466 is a wasteful number, since it uses less digits than its factorization.

630497466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164531 (or 164525 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 630497466 is about 25109.7086004597. The cubic root of 630497466 is about 857.4874683603.

The spelling of 630497466 in words is "six hundred thirty million, four hundred ninety-seven thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 71 142 213 426 639 1278 1917 3834 164449 328898 493347 986694 1480041 2960082 4440123 8880246 11675879 23351758 35027637 70055274 105082911 210165822 315248733 630497466