Search a number
-
+
214147274 = 21119749411
BaseRepresentation
bin11001100001110…
…10000011001010
3112220221210211112
430300322003022
5414310203044
633125530322
75210136035
oct1460720312
9486853745
10214147274
11aa976020
125b8739a2
133549b783
142062601c
1513c0109e
hexcc3a0ca

214147274 has 16 divisors (see below), whose sum is σ = 352208736. Its totient is φ = 96843600.

The previous prime is 214147243. The next prime is 214147277. The reversal of 214147274 is 472741412.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 214147274.

It is not an unprimeable number, because it can be changed into a prime (214147277) 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, 20372 + ... + 29039.

It is an arithmetic number, because the mean of its divisors is an integer number (22013046).

Almost surely, 2214147274 is an apocalyptic number.

214147274 is a deficient number, since it is larger than the sum of its proper divisors (138061462).

214147274 is a wasteful number, since it uses less digits than its factorization.

214147274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49621.

The product of its digits is 12544, while the sum is 32.

The square root of 214147274 is about 14633.7716942694. The cubic root of 214147274 is about 598.2795846295.

Adding to 214147274 its reverse (472741412), we get a palindrome (686888686).

The spelling of 214147274 in words is "two hundred fourteen million, one hundred forty-seven thousand, two hundred seventy-four".

Divisors: 1 2 11 22 197 394 2167 4334 49411 98822 543521 1087042 9733967 19467934 107073637 214147274