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163185034 = 2194791369
BaseRepresentation
bin10011011101000…
…00000110001010
3102101001122210011
421232200012022
5313233410114
624105342134
74021023055
oct1156400612
9371048704
10163185034
1184128371
124679794a
1327a673bc
141795ba9c
15e4d61c4
hex9ba018a

163185034 has 16 divisors (see below), whose sum is σ = 263145600. Its totient is φ = 75652704.

The previous prime is 163185019. The next prime is 163185047. The reversal of 163185034 is 430581361.

It is a junction number, because it is equal to n+sod(n) for n = 163184987 and 163185005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43899 + ... + 47470.

It is an arithmetic number, because the mean of its divisors is an integer number (16446600).

Almost surely, 2163185034 is an apocalyptic number.

163185034 is a deficient number, since it is larger than the sum of its proper divisors (99960566).

163185034 is a wasteful number, since it uses less digits than its factorization.

163185034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91437.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 163185034 is about 12774.3897701612. The cubic root of 163185034 is about 546.4621780453.

The spelling of 163185034 in words is "one hundred sixty-three million, one hundred eighty-five thousand, thirty-four".

Divisors: 1 2 19 38 47 94 893 1786 91369 182738 1736011 3472022 4294343 8588686 81592517 163185034