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650152540 = 225191170197
BaseRepresentation
bin100110110000001…
…000101001011100
31200022101011121201
4212300020221130
52312414340130
6144303005244
722053130312
oct4660105134
91608334551
10650152540
11303aa3254
12161899824
13a490855b
14624c00b2
153c127bca
hex26c08a5c

650152540 has 24 divisors (see below), whose sum is σ = 1372476672. Its totient is φ = 258697920.

The previous prime is 650152519. The next prime is 650152603. The reversal of 650152540 is 45251056.

It is a junction number, because it is equal to n+sod(n) for n = 650152499 and 650152508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81279 + ... + 88918.

It is an arithmetic number, because the mean of its divisors is an integer number (57186528).

Almost surely, 2650152540 is an apocalyptic number.

It is an amenable number.

650152540 is an abundant number, since it is smaller than the sum of its proper divisors (722324132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650152540 is a wasteful number, since it uses less digits than its factorization.

650152540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170397 (or 170395 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 650152540 is about 25498.0889479977. The cubic root of 650152540 is about 866.3068621502.

The spelling of 650152540 in words is "six hundred fifty million, one hundred fifty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 170197 340394 680788 850985 1701970 3403940 32507627 65015254 130030508 162538135 325076270 650152540