Search a number
-
+
214387117 = 7231331597
BaseRepresentation
bin11001100011101…
…00100110101101
3112221101222211121
430301310212231
5414340341432
633135020541
75212155220
oct1461644655
9487358747
10214387117
1110001a23a
125b96a751
13355539a9
14206895b7
1513c4c197
hexcc749ad

214387117 has 8 divisors (see below), whose sum is σ = 255666816. Its totient is φ = 175770672.

The previous prime is 214387109. The next prime is 214387141. The reversal of 214387117 is 711783412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214387117 - 23 = 214387109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214387157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665638 + ... + 665959.

It is an arithmetic number, because the mean of its divisors is an integer number (31958352).

Almost surely, 2214387117 is an apocalyptic number.

It is an amenable number.

214387117 is a deficient number, since it is larger than the sum of its proper divisors (41279699).

214387117 is a wasteful number, since it uses less digits than its factorization.

214387117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331627.

The product of its digits is 9408, while the sum is 34.

The square root of 214387117 is about 14641.9642466440. The cubic root of 214387117 is about 598.5028571944.

It can be divided in two parts, 21438 and 7117, that multiplied together give a triangular number (152574246 = T17468).

The spelling of 214387117 in words is "two hundred fourteen million, three hundred eighty-seven thousand, one hundred seventeen".

Divisors: 1 7 23 161 1331597 9321179 30626731 214387117