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3420760 = 235719643
BaseRepresentation
bin1101000011001001011000
320102210101211
431003021120
51333431020
6201152504
741035030
oct15031130
96383354
103420760
111a27082
12118b734
1392a025
146508c0
1547885a
hex343258

3420760 has 64 divisors (see below), whose sum is σ = 9273600. Its totient is φ = 1109376.

The previous prime is 3420751. The next prime is 3420763. The reversal of 3420760 is 670243.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (144900).

Almost surely, 23420760 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 3420760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4636800).

3420760 is an abundant number, since it is smaller than the sum of its proper divisors (5852840).

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

3420760 is a wasteful number, since it uses less digits than its factorization.

3420760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3420760 is about 1849.5296699431. The cubic root of 3420760 is about 150.6748849077.

The spelling of 3420760 in words is "three million, four hundred twenty thousand, seven hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 95 133 140 152 190 266 280 380 532 643 665 760 1064 1286 1330 2572 2660 3215 4501 5144 5320 6430 9002 12217 12860 18004 22505 24434 25720 36008 45010 48868 61085 85519 90020 97736 122170 171038 180040 244340 342076 427595 488680 684152 855190 1710380 3420760