Search a number
-
+
3913140 = 223572113
BaseRepresentation
bin1110111011010110110100
321100210211010
432323112310
52000210030
6215512220
745155400
oct16732664
97323733
103913140
112233000
121388670
13a7018a
1473c100
155246b0
hex3bb5b4

3913140 has 144 divisors (see below), whose sum is σ = 14019264. Its totient is φ = 813120.

The previous prime is 3913139. The next prime is 3913159. The reversal of 3913140 is 413193.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355735 + ... + 355745.

It is an arithmetic number, because the mean of its divisors is an integer number (97356).

Almost surely, 23913140 is an apocalyptic number.

3913140 is a gapful number since it is divisible by the number (30) 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 3913140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7009632).

3913140 is an abundant number, since it is smaller than the sum of its proper divisors (10106124).

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

3913140 is a wasteful number, since it uses less digits than its factorization.

3913140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3913140 is about 1978.1658171144. The cubic root of 3913140 is about 157.5826726464.

The spelling of 3913140 in words is "three million, nine hundred thirteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 49 55 60 66 70 77 84 98 105 110 121 132 140 147 154 165 196 210 220 231 242 245 294 308 330 363 385 420 462 484 490 539 588 605 660 726 735 770 847 924 980 1078 1155 1210 1331 1452 1470 1540 1617 1694 1815 2156 2310 2420 2541 2662 2695 2940 3234 3388 3630 3993 4235 4620 5082 5324 5390 5929 6468 6655 7260 7986 8085 8470 9317 10164 10780 11858 12705 13310 15972 16170 16940 17787 18634 19965 23716 25410 26620 27951 29645 32340 35574 37268 39930 46585 50820 55902 59290 65219 71148 79860 88935 93170 111804 118580 130438 139755 177870 186340 195657 260876 279510 326095 355740 391314 559020 652190 782628 978285 1304380 1956570 3913140