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20194968 = 233841457
BaseRepresentation
bin100110100001…
…0011010011000
31102000000021210
41031002122120
520132214333
62000503120
7333440313
oct115023230
942000253
1020194968
1110443862
12691aaa0
1342510b1
14297997a
151b8da63
hex1342698

20194968 has 16 divisors (see below), whose sum is σ = 50487480. Its totient is φ = 6731648.

The previous prime is 20194957. The next prime is 20194969. The reversal of 20194968 is 86949102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20194969) 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, 420705 + ... + 420752.

Almost surely, 220194968 is an apocalyptic number.

It is an amenable number.

20194968 is an abundant number, since it is smaller than the sum of its proper divisors (30292512).

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

20194968 is a wasteful number, since it uses less digits than its factorization.

20194968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841466 (or 841462 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 20194968 is about 4493.8811733289. The cubic root of 20194968 is about 272.3209518756.

The spelling of 20194968 in words is "twenty million, one hundred ninety-four thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 841457 1682914 2524371 3365828 5048742 6731656 10097484 20194968