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312000201 = 33174159281
BaseRepresentation
bin10010100110001…
…011111011001001
3210202002020211000
4102212023323021
51114333001301
650543125213
710505646402
oct2246137311
9722066730
10312000201
11150130407
12885a3809
134c83cc06
142d6189a9
151c5ce786
hex1298bec9

312000201 has 64 divisors (see below), whose sum is σ = 511660800. Its totient is φ = 187084800.

The previous prime is 312000193. The next prime is 312000223. The reversal of 312000201 is 102000213.

It is a happy number.

It is not a de Polignac number, because 312000201 - 23 = 312000193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (312000251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1110181 + ... + 1110461.

It is an arithmetic number, because the mean of its divisors is an integer number (7994700).

Almost surely, 2312000201 is an apocalyptic number.

It is an amenable number.

312000201 is a deficient number, since it is larger than the sum of its proper divisors (199660599).

312000201 is a wasteful number, since it uses less digits than its factorization.

312000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 312000201 is about 17663.5274223469. The cubic root of 312000201 is about 678.2424342510.

Adding to 312000201 its product of nonzero digits (12), we get a palindrome (312000213).

Adding to 312000201 its reverse (102000213), we get a palindrome (414000414).

The spelling of 312000201 in words is "three hundred twelve million, two hundred one", and thus it is an aban number.

Divisors: 1 3 9 17 27 41 51 59 123 153 177 281 369 459 531 697 843 1003 1107 1593 2091 2419 2529 3009 4777 6273 7257 7587 9027 11521 14331 16579 18819 21771 27081 34563 41123 42993 49737 65313 103689 123369 128979 149211 195857 281843 311067 370107 447633 587571 679739 845529 1110321 1762713 2039217 2536587 5288139 6117651 7609761 11555563 18352953 34666689 104000067 312000201