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201306430 = 251389127137
BaseRepresentation
bin10111111111110…
…11000100111110
3112000210102111201
423333323010332
5403013301210
631550410114
74663035133
oct1377730476
9460712451
10201306430
11a36a5556
125750093a
1332923b40
141ca4258a
1512a1653a
hexbffb13e

201306430 has 64 divisors (see below), whose sum is σ = 400619520. Its totient is φ = 72382464.

The previous prime is 201306409. The next prime is 201306431. The reversal of 201306430 is 34603102.

It is a junction number, because it is equal to n+sod(n) for n = 201306398 and 201306407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201306431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1469322 + ... + 1469458.

It is an arithmetic number, because the mean of its divisors is an integer number (6259680).

Almost surely, 2201306430 is an apocalyptic number.

201306430 is a deficient number, since it is larger than the sum of its proper divisors (199313090).

201306430 is a wasteful number, since it uses less digits than its factorization.

201306430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 201306430 is about 14188.2497158740. The cubic root of 201306430 is about 586.0741266058.

Adding to 201306430 its reverse (34603102), we get a palindrome (235909532).

The spelling of 201306430 in words is "two hundred one million, three hundred six thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 89 127 130 137 178 254 274 445 635 685 890 1157 1270 1370 1651 1781 2314 3302 3562 5785 8255 8905 11303 11570 12193 16510 17399 17810 22606 24386 34798 56515 60965 86995 113030 121930 146939 158509 173990 226187 293878 317018 452374 734695 792545 1130935 1469390 1548511 1585090 2261870 3097022 7742555 15485110 20130643 40261286 100653215 201306430