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214992474 = 2353816659
BaseRepresentation
bin11001101000010…
…00011001011010
3112222112202020020
430310020121122
5420014224344
633200011310
75220256134
oct1464103132
9488482206
10214992474
111003a3034
1260000b36
13357063a8
14207a6054
1513d1b719
hexcd0865a

214992474 has 16 divisors (see below), whose sum is σ = 430129440. Its totient is φ = 71640080.

The previous prime is 214992469. The next prime is 214992499. The reversal of 214992474 is 474299412.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28957 + ... + 35615.

It is an arithmetic number, because the mean of its divisors is an integer number (26883090).

Almost surely, 2214992474 is an apocalyptic number.

214992474 is an abundant number, since it is smaller than the sum of its proper divisors (215136966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214992474 is a wasteful number, since it uses less digits than its factorization.

214992474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12045.

The product of its digits is 145152, while the sum is 42.

The square root of 214992474 is about 14662.6216618993. The cubic root of 214992474 is about 599.0656512983.

The spelling of 214992474 in words is "two hundred fourteen million, nine hundred ninety-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 5381 6659 10762 13318 16143 19977 32286 39954 35832079 71664158 107496237 214992474