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513231201 = 33715231783
BaseRepresentation
bin11110100101110…
…100100101100001
31022202201211212000
4132211310211201
52022341344301
6122532154213
715501251610
oct3645644541
91282654760
10513231201
1124378421a
12123a68969
1382438602
144c23b877
15300cd786
hex1e974961

513231201 has 32 divisors (see below), whose sum is σ = 870021120. Its totient is φ = 292918032.

The previous prime is 513231193. The next prime is 513231203. The reversal of 513231201 is 102132315.

It is not a de Polignac number, because 513231201 - 23 = 513231193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513231203) 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, 286956 + ... + 288738.

It is an arithmetic number, because the mean of its divisors is an integer number (27188160).

Almost surely, 2513231201 is an apocalyptic number.

It is an amenable number.

513231201 is a deficient number, since it is larger than the sum of its proper divisors (356789919).

513231201 is a wasteful number, since it uses less digits than its factorization.

513231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 513231201 is about 22654.6066176396. The cubic root of 513231201 is about 800.6407372036.

Adding to 513231201 its reverse (102132315), we get a palindrome (615363516).

The spelling of 513231201 in words is "five hundred thirteen million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 3 7 9 21 27 63 189 1523 1783 4569 5349 10661 12481 13707 16047 31983 37443 41121 48141 95949 112329 287847 336987 2715509 8146527 19008563 24439581 57025689 73318743 171077067 513231201