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40030412 = 2210793529
BaseRepresentation
bin1001100010110…
…1000011001100
32210022202101212
42120231003030
540221433122
63545553552
7664152512
oct230550314
983282355
1040030412
1120661494
12114a58b8
1383a7646
1454604b2
1537aace2
hex262d0cc

40030412 has 12 divisors (see below), whose sum is σ = 70708680. Its totient is φ = 19827936.

The previous prime is 40030399. The next prime is 40030421. The reversal of 40030412 is 21403004.

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 3 ways as a sum of consecutive naturals, for example, 46337 + ... + 47192.

It is an arithmetic number, because the mean of its divisors is an integer number (5892390).

Almost surely, 240030412 is an apocalyptic number.

It is an amenable number.

40030412 is a deficient number, since it is larger than the sum of its proper divisors (30678268).

40030412 is a wasteful number, since it uses less digits than its factorization.

40030412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93640 (or 93638 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40030412 is about 6326.9591432220. The cubic root of 40030412 is about 342.0818403596.

Adding to 40030412 its reverse (21403004), we get a palindrome (61433416).

The spelling of 40030412 in words is "forty million, thirty thousand, four hundred twelve".

Divisors: 1 2 4 107 214 428 93529 187058 374116 10007603 20015206 40030412