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27620485 = 535315649
BaseRepresentation
bin110100101011…
…1010010000101
31220222021011221
41221113102011
524032323420
62424000341
7453525124
oct151272205
956867157
1027620485
1114655752
1293000b1
135950ba9
14394dabb
152658caa
hex1a57485

27620485 has 8 divisors (see below), whose sum is σ = 33240600. Its totient is φ = 22032384.

The previous prime is 27620449. The next prime is 27620497. The reversal of 27620485 is 58402672.

It can be written as a sum of positive squares in 4 ways, for example, as 236196 + 27384289 = 486^2 + 5233^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27620485 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27620485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6060 + ... + 9589.

It is an arithmetic number, because the mean of its divisors is an integer number (4155075).

Almost surely, 227620485 is an apocalyptic number.

It is an amenable number.

27620485 is a deficient number, since it is larger than the sum of its proper divisors (5620115).

27620485 is a wasteful number, since it uses less digits than its factorization.

27620485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 27620485 is about 5255.5194795567. The cubic root of 27620485 is about 302.2807098624.

The spelling of 27620485 in words is "twenty-seven million, six hundred twenty thousand, four hundred eighty-five".

Divisors: 1 5 353 1765 15649 78245 5524097 27620485