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650660441 = 1138396863
BaseRepresentation
bin100110110010000…
…100101001011001
31200100022222022212
4212302010221121
52313032113231
6144321524505
722060344134
oct4662045131
91610288285
10650660441
1130430a902
12161aa3735
13a4a557a2
14625b321b
153c1c842b
hex26c84a59

650660441 has 8 divisors (see below), whose sum is σ = 657296640. Its totient is φ = 644039872.

The previous prime is 650660407. The next prime is 650660449. The reversal of 650660441 is 144066056.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-650660441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650660398 and 650660407.

It is not an unprimeable number, because it can be changed into a prime (650660449) by changing a digit.

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, 91376 + ... + 98238.

It is an arithmetic number, because the mean of its divisors is an integer number (82162080).

Almost surely, 2650660441 is an apocalyptic number.

It is an amenable number.

650660441 is a deficient number, since it is larger than the sum of its proper divisors (6636199).

650660441 is a wasteful number, since it uses less digits than its factorization.

650660441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7815.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 650660441 is about 25508.0465931831. The cubic root of 650660441 is about 866.5323905548.

The spelling of 650660441 in words is "six hundred fifty million, six hundred sixty thousand, four hundred forty-one".

Divisors: 1 113 839 6863 94807 775519 5758057 650660441