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27680426 = 2103134371
BaseRepresentation
bin110100110010…
…1111010101010
31221002022101222
41221211322222
524041233201
62425142042
7454164644
oct151457252
957068358
1027680426
1114696794
12932a922
135972267
143967894
15266b91b
hex1a65eaa

27680426 has 8 divisors (see below), whose sum is σ = 41924064. Its totient is φ = 13705740.

The previous prime is 27680423. The next prime is 27680449. The reversal of 27680426 is 62408672.

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 (27680423) 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, 66980 + ... + 67391.

It is an arithmetic number, because the mean of its divisors is an integer number (5240508).

Almost surely, 227680426 is an apocalyptic number.

27680426 is a deficient number, since it is larger than the sum of its proper divisors (14243638).

27680426 is a wasteful number, since it uses less digits than its factorization.

27680426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134476.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 27680426 is about 5261.2190602559. The cubic root of 27680426 is about 302.4992181752.

The spelling of 27680426 in words is "twenty-seven million, six hundred eighty thousand, four hundred twenty-six".

Divisors: 1 2 103 206 134371 268742 13840213 27680426