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20240194 = 213778469
BaseRepresentation
bin100110100110…
…1011101000010
31102002022022211
41031031131002
520140141234
62001452334
7334016212
oct115153502
942068284
1020240194
1110474837
1269410aa
134268860
14298c242
151b9c164
hex134d742

20240194 has 8 divisors (see below), whose sum is σ = 32695740. Its totient is φ = 9341616.

The previous prime is 20240189. The next prime is 20240197. The reversal of 20240194 is 49104202.

It can be written as a sum of positive squares in 2 ways, for example, as 19474569 + 765625 = 4413^2 + 875^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20240197) 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, 389209 + ... + 389260.

Almost surely, 220240194 is an apocalyptic number.

20240194 is a deficient number, since it is larger than the sum of its proper divisors (12455546).

20240194 is a wasteful number, since it uses less digits than its factorization.

20240194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778484.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20240194 is about 4498.9103125090. The cubic root of 20240194 is about 272.5240850692.

Adding to 20240194 its reverse (49104202), we get a palindrome (69344396).

The spelling of 20240194 in words is "twenty million, two hundred forty thousand, one hundred ninety-four".

Divisors: 1 2 13 26 778469 1556938 10120097 20240194