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211474804 = 2252868701
BaseRepresentation
bin11001001101011…
…01100101110100
3112201221000220011
430212231211310
5413114143204
632552350004
75145335422
oct1446554564
9481830804
10211474804
11a9410172
125a9a5304
1334a74228
142012c112
1513874304
hexc9ad974

211474804 has 6 divisors (see below), whose sum is σ = 370080914. Its totient is φ = 105737400.

The previous prime is 211474751. The next prime is 211474831. The reversal of 211474804 is 408474112.

It is a happy number.

211474804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 157452304 + 54022500 = 12548^2 + 7350^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26434347 + ... + 26434354.

Almost surely, 2211474804 is an apocalyptic number.

It is an amenable number.

211474804 is a deficient number, since it is larger than the sum of its proper divisors (158606110).

211474804 is a wasteful number, since it uses less digits than its factorization.

211474804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52868705 (or 52868703 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 211474804 is about 14542.1732901241. The cubic root of 211474804 is about 595.7803982031.

The spelling of 211474804 in words is "two hundred eleven million, four hundred seventy-four thousand, eight hundred four".

Divisors: 1 2 4 52868701 105737402 211474804