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2985438 = 231729269
BaseRepresentation
bin1011011000110111011110
312121200020210
423120313132
51231013223
6143553250
734242621
oct13306736
95550223
102985438
11175a005
12bbb826
13806b41
14579db8
153de893
hex2d8dde

2985438 has 16 divisors (see below), whose sum is σ = 6322320. Its totient is φ = 936576.

The previous prime is 2985431. The next prime is 2985443. The reversal of 2985438 is 8345892.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2985396 and 2985405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985431) 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, 14533 + ... + 14736.

It is an arithmetic number, because the mean of its divisors is an integer number (395145).

22985438 is an apocalyptic number.

2985438 is an abundant number, since it is smaller than the sum of its proper divisors (3336882).

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

2985438 is a wasteful number, since it uses less digits than its factorization.

2985438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29291.

The product of its digits is 69120, while the sum is 39.

The square root of 2985438 is about 1727.8420066661. The cubic root of 2985438 is about 143.9912224588.

It can be divided in two parts, 29854 and 38, that added together give a palindrome (29892).

The spelling of 2985438 in words is "two million, nine hundred eighty-five thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 102 29269 58538 87807 175614 497573 995146 1492719 2985438