Search a number
-
+
214739716 = 221724312
BaseRepresentation
bin11001100110010…
…10101100000100
3112222001220111211
430303022230010
5414433132331
633150341204
75215154212
oct1463125404
9488056454
10214739716
11100240144
125baba804
1335648329
142073bcb2
1513cbb8b1
hexcccab04

214739716 has 27 divisors (see below), whose sum is σ = 400128757. Its totient is φ = 100819520.

The previous prime is 214739711. The next prime is 214739719. The reversal of 214739716 is 617937412.

The square root of 214739716 is 14654.

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., 167184900 + 47554816 = 12930^2 + 6896^2 .

It is a super-2 number, since 2×2147397162 = 92226291255521312, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214739711) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 498021 + ... + 498451.

Almost surely, 2214739716 is an apocalyptic number.

214739716 is the 14654-th square number.

It is an amenable number.

214739716 is a deficient number, since it is larger than the sum of its proper divisors (185389041).

214739716 is an equidigital number, since it uses as much as digits as its factorization.

214739716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 450 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The cubic root of 214739716 is about 598.8307934437.

Multiplying 214739716 by its product of digits (63504), we get a square (13636830924864 = 36928082).

The spelling of 214739716 in words is "two hundred fourteen million, seven hundred thirty-nine thousand, seven hundred sixteen".

Divisors: 1 2 4 17 34 68 289 431 578 862 1156 1724 7327 14654 29308 124559 185761 249118 371522 498236 743044 3157937 6315874 12631748 53684929 107369858 214739716