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2238486 = 233491069
BaseRepresentation
bin1000100010100000010110
311012201121220
420202200112
51033112421
6115551210
725012125
oct10424026
94181556
102238486
111299898
128bb506
13604b63
14423abc
152e33c6
hex222816

2238486 has 16 divisors (see below), whose sum is σ = 4494000. Its totient is φ = 743328.

The previous prime is 2238473. The next prime is 2238487. The reversal of 2238486 is 6848322.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560 + ... + 2628.

It is an arithmetic number, because the mean of its divisors is an integer number (280875).

22238486 is an apocalyptic number.

2238486 is an abundant number, since it is smaller than the sum of its proper divisors (2255514).

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

2238486 is a wasteful number, since it uses less digits than its factorization.

2238486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its digits is 18432, while the sum is 33.

The square root of 2238486 is about 1496.1570773151. The cubic root of 2238486 is about 130.8131672255.

The spelling of 2238486 in words is "two million, two hundred thirty-eight thousand, four hundred eighty-six".

Divisors: 1 2 3 6 349 698 1047 1069 2094 2138 3207 6414 373081 746162 1119243 2238486