Search a number
-
+
514272321 = 361722441
BaseRepresentation
bin11110101001110…
…010110001000001
31022211200202000000
4132221302301001
52023123203241
6123010350213
715513146133
oct3651626101
91284622000
10514272321
11244325452
1212428b369
1382711464
144c42d053
1530236eb6
hex1ea72c41

514272321 has 42 divisors (see below), whose sum is σ = 819415542. Its totient is φ = 322548480.

The previous prime is 514272289. The next prime is 514272323. The reversal of 514272321 is 123272415.

514272321 is a `hidden beast` number, since 5 + 1 + 427 + 232 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 98724096 + 415548225 = 9936^2 + 20385^2 .

It is not a de Polignac number, because 514272321 - 25 = 514272289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (514272323) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 209461 + ... + 211901.

Almost surely, 2514272321 is an apocalyptic number.

514272321 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

514272321 is a deficient number, since it is larger than the sum of its proper divisors (305143221).

514272321 is an equidigital number, since it uses as much as digits as its factorization.

514272321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2461 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 514272321 is about 22677.5730844374. The cubic root of 514272321 is about 801.1817539832.

The spelling of 514272321 in words is "five hundred fourteen million, two hundred seventy-two thousand, three hundred twenty-one".

Divisors: 1 3 9 17 27 51 81 153 243 289 459 729 867 1377 2441 2601 4131 7323 7803 12393 21969 23409 41497 65907 70227 124491 197721 210681 373473 593163 705449 1120419 1779489 2116347 3361257 6349041 10083771 19047123 30251313 57141369 171424107 514272321