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45385984 = 287193143
BaseRepresentation
bin1010110100100…
…0100100000000
310011101211212101
42231020210000
543104322414
64300440144
71060526440
oct255104400
9104354771
1045385984
112368a186
1213249054
139531217
146056120
153eb7a74
hex2b48900

45385984 has 144 divisors (see below), whose sum is σ = 115118080. Its totient is φ = 17418240.

The previous prime is 45385979. The next prime is 45386021. The reversal of 45385984 is 48958354.

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, 1055467 + ... + 1055509.

Almost surely, 245385984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45385984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57559040).

45385984 is an abundant number, since it is smaller than the sum of its proper divisors (69732096).

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

45385984 is a wasteful number, since it uses less digits than its factorization.

45385984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 102 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 45385984 is about 6736.9120522685. The cubic root of 45385984 is about 356.7034024331.

The spelling of 45385984 in words is "forty-five million, three hundred eighty-five thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 19 28 31 32 38 43 56 62 64 76 86 112 124 128 133 152 172 217 224 248 256 266 301 304 344 434 448 496 532 589 602 608 688 817 868 896 992 1064 1178 1204 1216 1333 1376 1634 1736 1792 1984 2128 2356 2408 2432 2666 2752 3268 3472 3968 4123 4256 4712 4816 4864 5332 5504 5719 6536 6944 7936 8246 8512 9331 9424 9632 10664 11008 11438 13072 13888 16492 17024 18662 18848 19264 21328 22876 25327 26144 27776 32984 34048 37324 37696 38528 42656 45752 50654 52288 55552 65968 74648 75392 77056 85312 91504 101308 104576 131936 149296 150784 170624 177289 183008 202616 209152 263872 298592 341248 354578 366016 405232 527744 597184 709156 732032 810464 1055488 1194368 1418312 1464064 1620928 2388736 2836624 3241856 5673248 6483712 11346496 22692992 45385984