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27292045 = 5112971241
BaseRepresentation
bin110100000011…
…1000110001101
31220100120122111
41220013012031
523441321140
62412544021
7450656434
oct150070615
956316574
1027292045
1114450a10
129182011
135867551
1438a611b
1525e17ea
hex1a0718d

27292045 has 32 divisors (see below), whose sum is σ = 37635840. Its totient is φ = 18816000.

The previous prime is 27292039. The next prime is 27292049. The reversal of 27292045 is 54029272.

It is a de Polignac number, because none of the positive numbers 2k-27292045 is a prime.

It is a super-3 number, since 3×272920453 (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27291998 and 27292016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27292049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113125 + ... + 113365.

It is an arithmetic number, because the mean of its divisors is an integer number (1176120).

Almost surely, 227292045 is an apocalyptic number.

It is an amenable number.

27292045 is a deficient number, since it is larger than the sum of its proper divisors (10343795).

27292045 is a wasteful number, since it uses less digits than its factorization.

27292045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 27292045 is about 5224.1788828485. The cubic root of 27292045 is about 301.0777715397.

It can be divided in two parts, 2729 and 2045, that added together give a palindrome (4774).

The spelling of 27292045 in words is "twenty-seven million, two hundred ninety-two thousand, forty-five".

Divisors: 1 5 11 29 55 71 145 241 319 355 781 1205 1595 2059 2651 3905 6989 10295 13255 17111 22649 34945 76879 85555 113245 188221 384395 496219 941105 2481095 5458409 27292045