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27072423 = 3274147223
BaseRepresentation
bin110011101000…
…1011110100111
31212221102101100
41213101132213
523412304143
62404131143
7446053230
oct147213647
955842340
1027072423
1114310a04
129096ab3
1357bb5b1
14384a087
15259b6d3
hex19d17a7

27072423 has 48 divisors (see below), whose sum is σ = 46964736. Its totient is φ = 14705280.

The previous prime is 27072407. The next prime is 27072443. The reversal of 27072423 is 32427072.

It is not a de Polignac number, because 27072423 - 24 = 27072407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121290 + ... + 121512.

It is an arithmetic number, because the mean of its divisors is an integer number (978432).

Almost surely, 227072423 is an apocalyptic number.

27072423 is a deficient number, since it is larger than the sum of its proper divisors (19892313).

27072423 is a wasteful number, since it uses less digits than its factorization.

27072423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 27072423 is about 5203.1166621555. The cubic root of 27072423 is about 300.2679938597.

Adding to 27072423 its reverse (32427072), we get a palindrome (59499495).

It can be divided in two parts, 27072 and 423, that multiplied together give a square (11451456 = 33842).

The spelling of 27072423 in words is "twenty-seven million, seventy-two thousand, four hundred twenty-three".

Divisors: 1 3 7 9 21 41 47 63 123 141 223 287 329 369 423 669 861 987 1561 1927 2007 2583 2961 4683 5781 9143 10481 13489 14049 17343 27429 31443 40467 64001 73367 82287 94329 121401 192003 220101 429721 576009 660303 1289163 3008047 3867489 9024141 27072423