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664200130 = 251113146093
BaseRepresentation
bin100111100101101…
…110001111000010
31201021210212021211
4213211232033002
52330013401010
6145524040334
722313415346
oct4745561702
91637725254
10664200130
11310a18430
121665330aa
13a77b6539
14642d9626
153d4a008a
hex2796e3c2

664200130 has 32 divisors (see below), whose sum is σ = 1314232128. Its totient is φ = 239678400.

The previous prime is 664200109. The next prime is 664200143. The reversal of 664200130 is 31002466.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 8637 + ... + 37456.

It is an arithmetic number, because the mean of its divisors is an integer number (41069754).

Almost surely, 2664200130 is an apocalyptic number.

664200130 is a deficient number, since it is larger than the sum of its proper divisors (650031998).

664200130 is a wasteful number, since it uses less digits than its factorization.

664200130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46242.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 664200130 is about 25772.0804360067. The cubic root of 664200130 is about 872.5017742019.

Adding to 664200130 its reverse (31002466), we get a palindrome (695202596).

The spelling of 664200130 in words is "six hundred sixty-four million, two hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 131 262 655 1310 1441 2882 7205 14410 46093 92186 230465 460930 507023 1014046 2535115 5070230 6038183 12076366 30190915 60381830 66420013 132840026 332100065 664200130