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40683907 = 1117217561
BaseRepresentation
bin1001101100110…
…0100110000011
32211112221211101
42123030212003
540403341112
64011555231
71002543655
oct233144603
984487741
1040683907
1120a68470
121175bb17
138575c24
1455906d5
153889757
hex26cc983

40683907 has 8 divisors (see below), whose sum is σ = 46993392. Its totient is φ = 34809600.

The previous prime is 40683901. The next prime is 40683919. The reversal of 40683907 is 70938604.

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 40683907 - 211 = 40681859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40683901) 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, 108594 + ... + 108967.

It is an arithmetic number, because the mean of its divisors is an integer number (5874174).

Almost surely, 240683907 is an apocalyptic number.

40683907 is a deficient number, since it is larger than the sum of its proper divisors (6309485).

40683907 is a wasteful number, since it uses less digits than its factorization.

40683907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217589.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 40683907 is about 6378.3937633232. The cubic root of 40683907 is about 343.9332927935.

The spelling of 40683907 in words is "forty million, six hundred eighty-three thousand, nine hundred seven".

Divisors: 1 11 17 187 217561 2393171 3698537 40683907