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40223344 = 247359137
BaseRepresentation
bin1001100101110…
…0001001110000
32210200120001111
42121130021300
540244121334
63554043104
7665615140
oct231341160
983616044
1040223344
1120783437
1211579494
1384443c5
1454b0920
1537e8064
hex265c270

40223344 has 20 divisors (see below), whose sum is σ = 89066224. Its totient is φ = 17238528.

The previous prime is 40223341. The next prime is 40223357. The reversal of 40223344 is 44332204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179457 + ... + 179680.

Almost surely, 240223344 is an apocalyptic number.

It is an amenable number.

40223344 is an abundant number, since it is smaller than the sum of its proper divisors (48842880).

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

40223344 is a wasteful number, since it uses less digits than its factorization.

40223344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359152 (or 359146 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40223344 is about 6342.1876351934. The cubic root of 40223344 is about 342.6305297493.

Adding to 40223344 its reverse (44332204), we get a palindrome (84555548).

The spelling of 40223344 in words is "forty million, two hundred twenty-three thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 359137 718274 1436548 2513959 2873096 5027918 5746192 10055836 20111672 40223344