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653138030 = 25795691453
BaseRepresentation
bin100110111011100…
…001100001101110
31200111222211221102
4212323201201232
52314200404110
6144451003102
722120403336
oct4673414156
91614884842
10653138030
113057522a6
12162899492
13a541240c
1462a5a0c6
153c5175a5
hex26ee186e

653138030 has 32 divisors (see below), whose sum is σ = 1193443200. Its totient is φ = 257317632.

The previous prime is 653137997. The next prime is 653138063. The reversal of 653138030 is 30831356.

It is an interprime number because it is at equal distance from previous prime (653137997) and next prime (653138063).

It is a junction number, because it is equal to n+sod(n) for n = 653137984 and 653138002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448784 + ... + 450236.

It is an arithmetic number, because the mean of its divisors is an integer number (37295100).

Almost surely, 2653138030 is an apocalyptic number.

653138030 is a deficient number, since it is larger than the sum of its proper divisors (540305170).

653138030 is a wasteful number, since it uses less digits than its factorization.

653138030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 653138030 is about 25556.5653013076. The cubic root of 653138030 is about 867.6308600106.

Adding to 653138030 its reverse (30831356), we get a palindrome (683969386).

The spelling of 653138030 in words is "six hundred fifty-three million, one hundred thirty-eight thousand, thirty".

Divisors: 1 2 5 10 79 158 395 569 790 1138 1453 2845 2906 5690 7265 14530 44951 89902 114787 224755 229574 449510 573935 826757 1147870 1653514 4133785 8267570 65313803 130627606 326569015 653138030