Search a number
-
+
214572069 = 32149160009
BaseRepresentation
bin11001100101000…
…01110000100101
3112221202101112200
430302201300211
5414412301234
633143005113
75213555355
oct1462416045
9487671480
10214572069
11100136198
125ba39799
13355b9c2a
14206d6b65
1513c86d99
hexcca1c25

214572069 has 12 divisors (see below), whose sum is σ = 312019500. Its totient is φ = 142087104.

The previous prime is 214572067. The next prime is 214572091. The reversal of 214572069 is 960275412.

214572069 is a `hidden beast` number, since 21 + 4 + 572 + 0 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142491969 + 72080100 = 11937^2 + 8490^2 .

It is not a de Polignac number, because 214572069 - 21 = 214572067 is a prime.

It is a super-2 number, since 2×2145720692 = 92082345589881522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214572067) 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, 78664 + ... + 81345.

It is an arithmetic number, because the mean of its divisors is an integer number (26001625).

Almost surely, 2214572069 is an apocalyptic number.

It is an amenable number.

214572069 is a deficient number, since it is larger than the sum of its proper divisors (97447431).

214572069 is a wasteful number, since it uses less digits than its factorization.

214572069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160164 (or 160161 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 214572069 is about 14648.2787043393. The cubic root of 214572069 is about 598.6749174145.

The spelling of 214572069 in words is "two hundred fourteen million, five hundred seventy-two thousand, sixty-nine".

Divisors: 1 3 9 149 447 1341 160009 480027 1440081 23841341 71524023 214572069