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27425830 = 254363781
BaseRepresentation
bin110100010011…
…1110000100110
31220121101011111
41220213300212
524010111310
62415455234
7452054455
oct150476046
956541144
1027425830
1114532483
12922751a
1358b3403
1438dcb9c
15261b28a
hex1a27c26

27425830 has 16 divisors (see below), whose sum is σ = 50515344. Its totient is φ = 10715040.

The previous prime is 27425819. The next prime is 27425831. The reversal of 27425830 is 3852472.

It is a junction number, because it is equal to n+sod(n) for n = 27425792 and 27425801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27425831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31461 + ... + 32320.

It is an arithmetic number, because the mean of its divisors is an integer number (3157209).

Almost surely, 227425830 is an apocalyptic number.

27425830 is a deficient number, since it is larger than the sum of its proper divisors (23089514).

27425830 is a wasteful number, since it uses less digits than its factorization.

27425830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63831.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 27425830 is about 5236.9676340417. The cubic root of 27425830 is about 301.5689287201.

The spelling of 27425830 in words is "twenty-seven million, four hundred twenty-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 63781 127562 318905 637810 2742583 5485166 13712915 27425830