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40213100 = 2252402131
BaseRepresentation
bin1001100101100…
…1101001101100
32210200001000002
42121121221230
540243304400
63553523432
7665543234
oct231315154
983601002
1040213100
1120776774
1211573578
13843c845
1454aacc4
1537e4ed5
hex2659a6c

40213100 has 18 divisors (see below), whose sum is σ = 87262644. Its totient is φ = 16085200.

The previous prime is 40213093. The next prime is 40213171. The reversal of 40213100 is 131204.

It is a happy number.

40213100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×402131002 = 3234186823220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200966 + ... + 201165.

Almost surely, 240213100 is an apocalyptic number.

It is an amenable number.

40213100 is an abundant number, since it is smaller than the sum of its proper divisors (47049544).

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

40213100 is a wasteful number, since it uses less digits than its factorization.

40213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402145 (or 402138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40213100 is about 6341.3799759989. The cubic root of 40213100 is about 342.6014404626.

Adding to 40213100 its reverse (131204), we get a palindrome (40344304).

The spelling of 40213100 in words is "forty million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 402131 804262 1608524 2010655 4021310 8042620 10053275 20106550 40213100