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3801420 = 2232572431
BaseRepresentation
bin1110100000000101001100
321011010120100
432200011030
51433121140
6213251100
744211600
oct16400514
97133510
103801420
112167077
121333a90
13a3137c
1470d500
15501530
hex3a014c

3801420 has 108 divisors (see below), whose sum is σ = 13444704. Its totient is φ = 866880.

The previous prime is 3801419. The next prime is 3801431. The reversal of 3801420 is 241083.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3801393 and 3801402.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8605 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

Almost surely, 23801420 is an apocalyptic number.

3801420 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 3801420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6722352).

3801420 is an abundant number, since it is smaller than the sum of its proper divisors (9643284).

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

3801420 is a wasteful number, since it uses less digits than its factorization.

3801420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3801420 is about 1949.7230572571. The cubic root of 3801420 is about 156.0685103419.

The spelling of 3801420 in words is "three million, eight hundred one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 245 252 294 315 420 431 441 490 588 630 735 862 882 980 1260 1293 1470 1724 1764 2155 2205 2586 2940 3017 3879 4310 4410 5172 6034 6465 7758 8620 8820 9051 12068 12930 15085 15516 18102 19395 21119 25860 27153 30170 36204 38790 42238 45255 54306 60340 63357 77580 84476 90510 105595 108612 126714 135765 181020 190071 211190 253428 271530 316785 380142 422380 543060 633570 760284 950355 1267140 1900710 3801420