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53907984 = 24331329331
BaseRepresentation
bin1100110110100…
…1001000010000
310202102210212000
43031221020100
5102300023414
65203234000
71223132064
oct315511020
9122383760
1053907984
112847a959
1216078900
13b226120
147233aa4
154aecb09
hex3369210

53907984 has 160 divisors (see below), whose sum is σ = 172905600. Its totient is φ = 15966720.

The previous prime is 53907979. The next prime is 53908061. The reversal of 53907984 is 48970935.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162699 + ... + 163029.

It is an arithmetic number, because the mean of its divisors is an integer number (1080660).

Almost surely, 253907984 is an apocalyptic number.

53907984 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53907984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86452800).

53907984 is an abundant number, since it is smaller than the sum of its proper divisors (118997616).

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

53907984 is a wasteful number, since it uses less digits than its factorization.

53907984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 53907984 is about 7342.2056631505. The cubic root of 53907984 is about 377.7615023618.

The spelling of 53907984 in words is "fifty-three million, nine hundred seven thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 29 36 39 48 52 54 58 72 78 87 104 108 116 117 144 156 174 208 216 232 234 261 312 331 348 351 377 432 464 468 522 624 662 696 702 754 783 936 993 1044 1131 1324 1392 1404 1508 1566 1872 1986 2088 2262 2648 2808 2979 3016 3132 3393 3972 4176 4303 4524 5296 5616 5958 6032 6264 6786 7944 8606 8937 9048 9599 10179 11916 12528 12909 13572 15888 17212 17874 18096 19198 20358 23832 25818 27144 28797 34424 35748 38396 38727 40716 47664 51636 54288 57594 68848 71496 76792 77454 81432 86391 103272 115188 116181 124787 142992 153584 154908 162864 172782 206544 230376 232362 249574 259173 309816 345564 374361 460752 464724 499148 518346 619632 691128 748722 929448 998296 1036692 1123083 1382256 1497444 1858896 1996592 2073384 2246166 2994888 3369249 4146768 4492332 5989776 6738498 8984664 13476996 17969328 26953992 53907984