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40200007 = 1071572393
BaseRepresentation
bin1001100101011…
…0011101000111
32210122101001011
42121112131013
540242400012
63553343051
7665460121
oct231263507
983571034
1040200007
1120767951
1211567a87
1384368b3
1454a6211
1537e11a7
hex2656747

40200007 has 8 divisors (see below), whose sum is σ = 40851216. Its totient is φ = 39554112.

The previous prime is 40199983. The next prime is 40200071. The reversal of 40200007 is 70000204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40200007 - 27 = 40199879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200107) 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, 15603 + ... + 17995.

It is an arithmetic number, because the mean of its divisors is an integer number (5106402).

Almost surely, 240200007 is an apocalyptic number.

40200007 is a deficient number, since it is larger than the sum of its proper divisors (651209).

40200007 is a wasteful number, since it uses less digits than its factorization.

40200007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 40200007 is about 6340.3475456792. The cubic root of 40200007 is about 342.5642538445.

The spelling of 40200007 in words is "forty million, two hundred thousand, seven".

Divisors: 1 107 157 2393 16799 256051 375701 40200007