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40368630 = 2351345621
BaseRepresentation
bin1001100111111…
…1100111110110
32210221221100110
42121333213312
540313244010
64001123450
71000061541
oct231774766
983857313
1040368630
1120872605
1211629586
138495583
14550b858
153826120
hex267f9f6

40368630 has 16 divisors (see below), whose sum is σ = 96884784. Its totient is φ = 10764960.

The previous prime is 40368619. The next prime is 40368631. The reversal of 40368630 is 3686304.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1345621 = 40368630 / (4 + 0 + 3 + 6 + 8 + 6 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40368631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672781 + ... + 672840.

It is an arithmetic number, because the mean of its divisors is an integer number (6055299).

Almost surely, 240368630 is an apocalyptic number.

40368630 is an abundant number, since it is smaller than the sum of its proper divisors (56516154).

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

40368630 is a wasteful number, since it uses less digits than its factorization.

40368630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345631.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40368630 is about 6353.6312452014. The cubic root of 40368630 is about 343.0425591834.

The spelling of 40368630 in words is "forty million, three hundred sixty-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1345621 2691242 4036863 6728105 8073726 13456210 20184315 40368630