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27081252 = 22321126217
BaseRepresentation
bin110011101001…
…1101000100100
31212221212111100
41213103220210
523413100002
62404240100
7446121042
oct147235044
955855440
1027081252
1114317600
1290a0030
1357c2613
14384d392
15259e11c
hex19d3a24

27081252 has 54 divisors (see below), whose sum is σ = 75256454. Its totient is φ = 8205120.

The previous prime is 27081233. The next prime is 27081253. The reversal of 27081252 is 25218072.

It can be written as a sum of positive squares in only one way, i.e., 25160256 + 1920996 = 5016^2 + 1386^2 .

It is not an unprimeable number, because it can be changed into a prime (27081253) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1248 + ... + 7464.

Almost surely, 227081252 is an apocalyptic number.

27081252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27081252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37628227).

27081252 is an abundant number, since it is smaller than the sum of its proper divisors (48175202).

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

27081252 is a wasteful number, since it uses less digits than its factorization.

27081252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 27081252 is about 5203.9650267849. The cubic root of 27081252 is about 300.3006319674.

The spelling of 27081252 in words is "twenty-seven million, eighty-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 121 132 198 242 363 396 484 726 1089 1452 2178 4356 6217 12434 18651 24868 37302 55953 68387 74604 111906 136774 205161 223812 273548 410322 615483 752257 820644 1230966 1504514 2256771 2461932 3009028 4513542 6770313 9027084 13540626 27081252