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40202340 = 2235670039
BaseRepresentation
bin1001100101011…
…1000001100100
32210122111020120
42121113001210
540242433330
63553401540
7665466663
oct231270144
983574216
1040202340
1120769682
12115692b0
138437989
1454a6dda
1537e1c10
hex2657064

40202340 has 24 divisors (see below), whose sum is σ = 112566720. Its totient is φ = 10720608.

The previous prime is 40202333. The next prime is 40202353. The reversal of 40202340 is 4320204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 7 ways as a sum of consecutive naturals, for example, 334960 + ... + 335079.

It is an arithmetic number, because the mean of its divisors is an integer number (4690280).

Almost surely, 240202340 is an apocalyptic number.

It is an amenable number.

40202340 is an abundant number, since it is smaller than the sum of its proper divisors (72364380).

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

40202340 is a wasteful number, since it uses less digits than its factorization.

40202340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670051 (or 670049 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40202340 is about 6340.5315234608. The cubic root of 40202340 is about 342.5708806008.

Adding to 40202340 its reverse (4320204), we get a palindrome (44522544).

The spelling of 40202340 in words is "forty million, two hundred two thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 670039 1340078 2010117 2680156 3350195 4020234 6700390 8040468 10050585 13400780 20101170 40202340