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20468354 = 229573461
BaseRepresentation
bin100111000010…
…1001010000010
31102111220022012
41032011022002
520214441404
62010412522
7335656334
oct116051202
942456265
1020468354
11106101a5
126a31142
13431866a
142a0b454
151be4a6e
hex1385282

20468354 has 8 divisors (see below), whose sum is σ = 30721788. Its totient is φ = 10227760.

The previous prime is 20468353. The next prime is 20468407. The reversal of 20468354 is 45386402.

It can be written as a sum of positive squares in 2 ways, for example, as 18292729 + 2175625 = 4277^2 + 1475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20468354.

It is not an unprimeable number, because it can be changed into a prime (20468353) 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, 4184 + ... + 7644.

Almost surely, 220468354 is an apocalyptic number.

20468354 is a deficient number, since it is larger than the sum of its proper divisors (10253434).

20468354 is a wasteful number, since it uses less digits than its factorization.

20468354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 20468354 is about 4524.1965032478. The cubic root of 20468354 is about 273.5442812707.

The spelling of 20468354 in words is "twenty million, four hundred sixty-eight thousand, three hundred fifty-four".

Divisors: 1 2 2957 3461 5914 6922 10234177 20468354