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27976068 = 223229127211
BaseRepresentation
bin110101010111…
…0000110000100
31221122022221200
41222232012010
524130213233
62435342500
7456535611
oct152560604
957568850
1027976068
111487891a
129451a30
135a469b3
143a03508
1526c9313
hex1aae184

27976068 has 72 divisors (see below), whose sum is σ = 74081280. Its totient is φ = 8890560.

The previous prime is 27976057. The next prime is 27976093. The reversal of 27976068 is 86067972.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 132483 + ... + 132693.

Almost surely, 227976068 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 27976068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37040640).

27976068 is an abundant number, since it is smaller than the sum of its proper divisors (46105212).

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

27976068 is a wasteful number, since it uses less digits than its factorization.

27976068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 27976068 is about 5289.2407772761. The cubic root of 27976068 is about 303.5723586618.

The spelling of 27976068 in words is "twenty-seven million, nine hundred seventy-six thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 127 174 211 254 261 348 381 422 508 522 633 762 844 1044 1143 1266 1524 1899 2286 2532 3683 3798 4572 6119 7366 7596 11049 12238 14732 18357 22098 24476 26797 33147 36714 44196 53594 55071 66294 73428 80391 107188 110142 132588 160782 220284 241173 321564 482346 777113 964692 1554226 2331339 3108452 4662678 6994017 9325356 13988034 27976068