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1630676312 = 231771971741
BaseRepresentation
bin110000100110010…
…0010010101011000
311012122101221100222
41201030202111120
511314423120222
6425451015212
755260343226
oct14114422530
94178357328
101630676312
11767524281
1239613a508
131ccab6835
141167dbb16
159825d542
hex61322558

1630676312 has 64 divisors (see below), whose sum is σ = 3318719040. Its totient is φ = 748339200.

The previous prime is 1630676237. The next prime is 1630676323. The reversal of 1630676312 is 2136760361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935762 + ... + 937502.

It is an arithmetic number, because the mean of its divisors is an integer number (51854985).

Almost surely, 21630676312 is an apocalyptic number.

It is an amenable number.

1630676312 is an abundant number, since it is smaller than the sum of its proper divisors (1688042728).

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

1630676312 is a wasteful number, since it uses less digits than its factorization.

1630676312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1630676312 is about 40381.6333498287. The cubic root of 1630676312 is about 1177.0346667967.

The spelling of 1630676312 in words is "one billion, six hundred thirty million, six hundred seventy-six thousand, three hundred twelve".

Divisors: 1 2 4 8 17 34 68 71 97 136 142 194 284 388 568 776 1207 1649 1741 2414 3298 3482 4828 6596 6887 6964 9656 13192 13774 13928 27548 29597 55096 59194 117079 118388 123611 168877 234158 236776 247222 337754 468316 494444 675508 936632 988888 1351016 2101387 2870909 4202774 5741818 8405548 11483636 11990267 16811096 22967272 23980534 47961068 95922136 203834539 407669078 815338156 1630676312