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20084835 = 357118859
BaseRepresentation
bin100110010011…
…1100001100011
31101210102012210
41030213201203
520120203320
61554253203
7332501241
oct114474143
941712183
1020084835
1110379041
126887203
134212c24
14294b791
151b6b0e0
hex1327863

20084835 has 16 divisors (see below), whose sum is σ = 32590080. Its totient is φ = 10560480.

The previous prime is 20084783. The next prime is 20084851. The reversal of 20084835 is 53848002.

It is not a de Polignac number, because 20084835 - 28 = 20084579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8365 + ... + 10494.

It is an arithmetic number, because the mean of its divisors is an integer number (2036880).

Almost surely, 220084835 is an apocalyptic number.

20084835 is a deficient number, since it is larger than the sum of its proper divisors (12505245).

20084835 is a wasteful number, since it uses less digits than its factorization.

20084835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18938.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 20084835 is about 4481.6107595372. The cubic root of 20084835 is about 271.8250163099.

The spelling of 20084835 in words is "twenty million, eighty-four thousand, eight hundred thirty-five".

Divisors: 1 3 5 15 71 213 355 1065 18859 56577 94295 282885 1338989 4016967 6694945 20084835