Search a number
-
+
2088438 = 231131643
BaseRepresentation
bin111111101110111110110
310221002210120
413331313312
51013312223
6112432410
723515512
oct7756766
93832716
102088438
1111a7090
12848706
13581781
143c5142
152b3be3
hex1fddf6

2088438 has 16 divisors (see below), whose sum is σ = 4556736. Its totient is φ = 632840.

The previous prime is 2088431. The next prime is 2088451. The reversal of 2088438 is 8348802.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 2088399 and 2088408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15756 + ... + 15887.

It is an arithmetic number, because the mean of its divisors is an integer number (284796).

22088438 is an apocalyptic number.

2088438 is an abundant number, since it is smaller than the sum of its proper divisors (2468298).

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

2088438 is a wasteful number, since it uses less digits than its factorization.

2088438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31659.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2088438 is about 1445.1428995086. The cubic root of 2088438 is about 127.8224670961.

It can be divided in two parts, 208 and 8438, that added together give a triangular number (8646 = T131).

The spelling of 2088438 in words is "two million, eighty-eight thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 31643 63286 94929 189858 348073 696146 1044219 2088438