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27044628 = 22313533271
BaseRepresentation
bin110011100101…
…0101100010100
31212220000020220
41213022230110
523410412003
62403354340
7445606212
oct147125424
955800226
1027044628
11142a2036
1290829b0
1357aba50
14383dcb2
152593353
hex19cab14

27044628 has 48 divisors (see below), whose sum is σ = 69261696. Its totient is φ = 8161920.

The previous prime is 27044627. The next prime is 27044639. The reversal of 27044628 is 82644072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27044627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6633 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (1442952).

Almost surely, 227044628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27044628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34630848).

27044628 is an abundant number, since it is smaller than the sum of its proper divisors (42217068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27044628 is a wasteful number, since it uses less digits than its factorization.

27044628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3342 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 27044628 is about 5200.4449809608. Note that the first 3 decimals coincide. The cubic root of 27044628 is about 300.1651979044.

It can be divided in two parts, 27044 and 628, that added together give a palindrome (27672).

The spelling of 27044628 in words is "twenty-seven million, forty-four thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 53 78 106 156 159 212 318 636 689 1378 2067 2756 3271 4134 6542 8268 9813 13084 19626 39252 42523 85046 127569 170092 173363 255138 346726 510276 520089 693452 1040178 2080356 2253719 4507438 6761157 9014876 13522314 27044628