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27122641 = 7132101227
BaseRepresentation
bin110011101110…
…1101111010001
31220000222021021
41213131233101
523420411031
62405155441
7446352520
oct147355721
956028237
1027122641
1114345707
1290bbb81
135808400
1438604b7
1525ab511
hex19ddbd1

27122641 has 24 divisors (see below), whose sum is σ = 34046784. Its totient is φ = 21153600.

The previous prime is 27122629. The next prime is 27122659. The reversal of 27122641 is 14622172.

It is not a de Polignac number, because 27122641 - 25 = 27122609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27122611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119370 + ... + 119596.

It is an arithmetic number, because the mean of its divisors is an integer number (1418616).

Almost surely, 227122641 is an apocalyptic number.

It is an amenable number.

27122641 is a deficient number, since it is larger than the sum of its proper divisors (6924143).

27122641 is a wasteful number, since it uses less digits than its factorization.

27122641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 348 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 27122641 is about 5207.9401878286. The cubic root of 27122641 is about 300.4535399189.

The spelling of 27122641 in words is "twenty-seven million, one hundred twenty-two thousand, six hundred forty-one".

Divisors: 1 7 13 91 101 169 227 707 1183 1313 1589 2951 9191 17069 20657 22927 38363 119483 160489 268541 298051 2086357 3874663 27122641