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6901420 = 2252973163
BaseRepresentation
bin11010010100111010101100
3110222121222011
4122110322230
53231321140
6403531004
7112442521
oct32247254
913877864
106901420
113994159
122389a64
1315783a6
14cb9148
15914cea
hex694eac

6901420 has 48 divisors (see below), whose sum is σ = 15291360. Its totient is φ = 2612736.

The previous prime is 6901417. The next prime is 6901429. The reversal of 6901420 is 241096.

6901420 is nontrivially palindromic in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 6901391 and 6901400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6901429) 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, 42259 + ... + 42421.

It is an arithmetic number, because the mean of its divisors is an integer number (318570).

Almost surely, 26901420 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 6901420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7645680).

6901420 is an abundant number, since it is smaller than the sum of its proper divisors (8389940).

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

6901420 is a wasteful number, since it uses less digits than its factorization.

6901420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6901420 is about 2627.0553857884. The cubic root of 6901420 is about 190.3908850355.

The spelling of 6901420 in words is "six million, nine hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 73 116 145 146 163 290 292 326 365 580 652 730 815 1460 1630 2117 3260 4234 4727 8468 9454 10585 11899 18908 21170 23635 23798 42340 47270 47596 59495 94540 118990 237980 345071 690142 1380284 1725355 3450710 6901420