Search a number
-
+
3442257 = 34713467
BaseRepresentation
bin1101001000011001010001
320110212220000
431020121101
51340123012
6201440213
741154510
oct15103121
96425800
103442257
111a41245
1211a0069
13936a50
14658677
1547eddc
hex348651

3442257 has 40 divisors (see below), whose sum is σ = 6342336. Its totient is φ = 1811808.

The previous prime is 3442223. The next prime is 3442273. The reversal of 3442257 is 7522443.

It is not a de Polignac number, because 3442257 - 210 = 3441233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 312 + 4 + 45 + 211 + 217 + 59 + 77 .

3442257 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3442257.

It is not an unprimeable number, because it can be changed into a prime (3442217) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7138 + ... + 7604.

Almost surely, 23442257 is an apocalyptic number.

It is an amenable number.

3442257 is a deficient number, since it is larger than the sum of its proper divisors (2900079).

3442257 is a wasteful number, since it uses less digits than its factorization.

3442257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 490 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 3442257 is about 1855.3320457535. The cubic root of 3442257 is about 150.9898535644.

It can be divided in two parts, 344 and 2257, that added together give a square (2601 = 512).

The spelling of 3442257 in words is "three million, four hundred forty-two thousand, two hundred fifty-seven".

Divisors: 1 3 7 9 13 21 27 39 63 81 91 117 189 273 351 467 567 819 1053 1401 2457 3269 4203 6071 7371 9807 12609 18213 29421 37827 42497 54639 88263 127491 163917 264789 382473 491751 1147419 3442257