Search a number
-
+
14187901 = 721322273
BaseRepresentation
bin110110000111…
…110101111101
3222200211010211
4312013311331
512113003101
61224032421
7231411100
oct66076575
928624124
1014187901
118010642
124902711
132c29b10
141c54737
1513a3c51
hexd87d7d

14187901 has 12 divisors (see below), whose sum is σ = 17774652. Its totient is φ = 11225088.

The previous prime is 14187881. The next prime is 14187913. The reversal of 14187901 is 10978141.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 13505625 = 826^2 + 3675^2 .

It is not a de Polignac number, because 14187901 - 219 = 13663613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14187991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10500 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (1481221).

Almost surely, 214187901 is an apocalyptic number.

It is an amenable number.

14187901 is a deficient number, since it is larger than the sum of its proper divisors (3586751).

14187901 is a wasteful number, since it uses less digits than its factorization.

14187901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22300 (or 22293 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 14187901 is about 3766.6830235633. The cubic root of 14187901 is about 242.0876956037.

The spelling of 14187901 in words is "fourteen million, one hundred eighty-seven thousand, nine hundred one".

Divisors: 1 7 13 49 91 637 22273 155911 289549 1091377 2026843 14187901