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106984640 = 265726823
BaseRepresentation
bin1100110000001…
…11010011000000
321110022101100002
412120013103000
5204342002030
614341015132
72436232400
oct630072300
9243271302
10106984640
1155432164
122b9b44a8
131921aa29
14102cc800
1595d4245
hex66074c0

106984640 has 84 divisors (see below), whose sum is σ = 296393616. Its totient is φ = 36675072.

The previous prime is 106984637. The next prime is 106984651. The reversal of 106984640 is 46489601.

It is a super-3 number, since 3×1069846403 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 106984594 and 106984603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12269 + ... + 19091.

Almost surely, 2106984640 is an apocalyptic number.

106984640 is a gapful number since it is divisible by the number (10) 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 106984640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148196808).

106984640 is an abundant number, since it is smaller than the sum of its proper divisors (189408976).

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

106984640 is an equidigital number, since it uses as much as digits as its factorization.

106984640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 106984640 is about 10343.3379525180. The cubic root of 106984640 is about 474.7232219502.

The spelling of 106984640 in words is "one hundred six million, nine hundred eighty-four thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 392 448 490 560 784 980 1120 1568 1960 2240 3136 3920 6823 7840 13646 15680 27292 34115 47761 54584 68230 95522 109168 136460 191044 218336 238805 272920 334327 382088 436672 477610 545840 668654 764176 955220 1091680 1337308 1528352 1671635 1910440 2183360 2674616 3056704 3343270 3820880 5349232 6686540 7641760 10698464 13373080 15283520 21396928 26746160 53492320 106984640