Search a number
-
+
14907321 = 36112132
BaseRepresentation
bin111000110111…
…011110111001
31001001101000000
4320313132321
512304013241
61251303213
7240465402
oct70673671
931041000
1014907321
118462100
124baab09
13311c400
141da09a9
151496eb6
hexe377b9

14907321 has 63 divisors (see below), whose sum is σ = 26602527. Its totient is φ = 8339760.

The previous prime is 14907287. The next prime is 14907323. The reversal of 14907321 is 12370941.

The square root of 14907321 is 3861.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 12702096 = 1485^2 + 3564^2 .

It is not a de Polignac number, because 14907321 - 217 = 14776249 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14907323) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1146711 + ... + 1146723.

Almost surely, 214907321 is an apocalyptic number.

14907321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14907321 is the 3861-st square number.

14907321 is the 1931-st centered octagonal number.

It is an amenable number.

14907321 is a deficient number, since it is larger than the sum of its proper divisors (11695206).

14907321 is an equidigital number, since it uses as much as digits as its factorization.

14907321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The cubic root of 14907321 is about 246.1122331424.

The spelling of 14907321 in words is "fourteen million, nine hundred seven thousand, three hundred twenty-one".

Divisors: 1 3 9 11 13 27 33 39 81 99 117 121 143 169 243 297 351 363 429 507 729 891 1053 1089 1287 1521 1573 1859 2673 3159 3267 3861 4563 4719 5577 8019 9477 9801 11583 13689 14157 16731 20449 29403 34749 41067 42471 50193 61347 88209 104247 123201 127413 150579 184041 382239 451737 552123 1146717 1355211 1656369 4969107 14907321