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4068436 = 227313933
BaseRepresentation
bin1111100001010001010100
321122200211211
433201101110
52020142221
6223111204
746403221
oct17412124
97580754
104068436
112329749
121442504
13ac5a78
1477c948
155556e1
hex3e1454

4068436 has 12 divisors (see below), whose sum is σ = 7217812. Its totient is φ = 2006208.

The previous prime is 4068433. The next prime is 4068443. The reversal of 4068436 is 6348604.

It can be written as a sum of positive squares in 2 ways, for example, as 3496900 + 571536 = 1870^2 + 756^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4068398 and 4068407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6675 + ... + 7258.

Almost surely, 24068436 is an apocalyptic number.

It is an amenable number.

4068436 is a deficient number, since it is larger than the sum of its proper divisors (3149376).

4068436 is a wasteful number, since it uses less digits than its factorization.

4068436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14010 (or 14008 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4068436 is about 2017.0364399286. The cubic root of 4068436 is about 159.6402856409.

The spelling of 4068436 in words is "four million, sixty-eight thousand, four hundred thirty-six".

Divisors: 1 2 4 73 146 292 13933 27866 55732 1017109 2034218 4068436