Search a number
-
+
3428081 = 231131319
BaseRepresentation
bin1101000100111011110001
320110011102222
431010323301
51334144311
6201250425
741065256
oct15047361
96404388
103428081
111a31628
121193a15
13930467
1465342d
1547aadb
hex344ef1

3428081 has 8 divisors (see below), whose sum is σ = 3611520. Its totient is φ = 3247552.

The previous prime is 3428071. The next prime is 3428083. The reversal of 3428081 is 1808243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3428081 is a prime.

It is a super-2 number, since 2×34280812 = 23503478685122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3428081.

It is not an unprimeable number, because it can be changed into a prime (3428083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (451440).

Almost surely, 23428081 is an apocalyptic number.

It is an amenable number.

3428081 is a deficient number, since it is larger than the sum of its proper divisors (183439).

3428081 is a wasteful number, since it uses less digits than its factorization.

3428081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 3428081 is about 1851.5077639589. The cubic root of 3428081 is about 150.7822981564.

The spelling of 3428081 in words is "three million, four hundred twenty-eight thousand, eighty-one".

Divisors: 1 23 113 1319 2599 30337 149047 3428081