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40980655 = 519342467
BaseRepresentation
bin1001110001010…
…1000010101111
32212010000220001
42130111002233
540442340110
64022205131
71005221062
oct234250257
985100801
1040980655
1121150411
12118837a7
13864b011
14562a8d9
1538e763a
hex27150af

40980655 has 8 divisors (see below), whose sum is σ = 49432752. Its totient is φ = 32613888.

The previous prime is 40980647. The next prime is 40980661. The reversal of 40980655 is 55608904.

40980655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40980655 - 23 = 40980647 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20269 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (6179094).

Almost surely, 240980655 is an apocalyptic number.

40980655 is a deficient number, since it is larger than the sum of its proper divisors (8452097).

40980655 is a wasteful number, since it uses less digits than its factorization.

40980655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42665.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 40980655 is about 6401.6134684937. The cubic root of 40980655 is about 344.7674831793.

The spelling of 40980655 in words is "forty million, nine hundred eighty thousand, six hundred fifty-five".

Divisors: 1 5 193 965 42467 212335 8196131 40980655