Search a number
-
+
4051680 = 253523367
BaseRepresentation
bin1111011101001011100000
321121211212020
433131023200
52014123210
6222501440
746303323
oct17351340
97554766
104051680
1123180a6
121434880
13abb259
147767ba
15550770
hex3dd2e0

4051680 has 96 divisors (see below), whose sum is σ = 13353984. Its totient is φ = 1030656.

The previous prime is 4051667. The next prime is 4051709. The reversal of 4051680 is 861504.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×40516802 = 32832221644800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4051680.

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, 10857 + ... + 11223.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

Almost surely, 24051680 is an apocalyptic number.

4051680 is a gapful number since it is divisible by the number (40) 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 4051680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6676992).

4051680 is an abundant number, since it is smaller than the sum of its proper divisors (9302304).

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

4051680 is a wasteful number, since it uses less digits than its factorization.

4051680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 4051680 is about 2012.8785358287. The cubic root of 4051680 is about 159.4208226564.

The spelling of 4051680 in words is "four million, fifty-one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 367 368 460 480 552 690 734 736 920 1101 1104 1380 1468 1835 1840 2202 2208 2760 2936 3670 3680 4404 5505 5520 5872 7340 8441 8808 11010 11040 11744 14680 16882 17616 22020 25323 29360 33764 35232 42205 44040 50646 58720 67528 84410 88080 101292 126615 135056 168820 176160 202584 253230 270112 337640 405168 506460 675280 810336 1012920 1350560 2025840 4051680