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40380300 = 22325244867
BaseRepresentation
bin1001101000001…
…0011110001100
32210222112100200
42122002132030
540314132200
64001253500
71000140552
oct232023614
983875320
1040380300
1120880354
1211634290
13849a98c
145511bd2
153829800
hex268278c

40380300 has 54 divisors (see below), whose sum is σ = 126572628. Its totient is φ = 10767840.

The previous prime is 40380293. The next prime is 40380313. The reversal of 40380300 is 308304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 21534 + ... + 23333.

Almost surely, 240380300 is an apocalyptic number.

It is an amenable number.

40380300 is an abundant number, since it is smaller than the sum of its proper divisors (86192328).

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

40380300 is a wasteful number, since it uses less digits than its factorization.

40380300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44887 (or 44877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40380300 is about 6354.5495513057. The cubic root of 40380300 is about 343.0756122493.

Adding to 40380300 its reverse (308304), we get a palindrome (40688604).

The spelling of 40380300 in words is "forty million, three hundred eighty thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 44867 89734 134601 179468 224335 269202 403803 448670 538404 673005 807606 897340 1121675 1346010 1615212 2019015 2243350 2692020 3365025 4038030 4486700 6730050 8076060 10095075 13460100 20190150 40380300