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650023213 = 7671385977
BaseRepresentation
bin100110101111101…
…001000100101101
31200022010121012211
4212233221010231
52312401220323
6144300130421
722052051260
oct4657510455
91608117184
10650023213
11303a15074
12161836a11
13a4891728
1462488cd7
153c0ee70d
hex26be912d

650023213 has 8 divisors (see below), whose sum is σ = 753972032. Its totient is φ = 548846496.

The previous prime is 650023189. The next prime is 650023223. The reversal of 650023213 is 312320056.

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 650023213 - 213 = 650015021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650023223) 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, 692520 + ... + 693457.

It is an arithmetic number, because the mean of its divisors is an integer number (94246504).

Almost surely, 2650023213 is an apocalyptic number.

It is an amenable number.

650023213 is a deficient number, since it is larger than the sum of its proper divisors (103948819).

650023213 is a wasteful number, since it uses less digits than its factorization.

650023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386051.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 650023213 is about 25495.5528082840. The cubic root of 650023213 is about 866.2494170173.

Adding to 650023213 its reverse (312320056), we get a palindrome (962343269).

The spelling of 650023213 in words is "six hundred fifty million, twenty-three thousand, two hundred thirteen".

Divisors: 1 7 67 469 1385977 9701839 92860459 650023213