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27197248 = 261397337
BaseRepresentation
bin110011110111…
…1111101000000
31220011202121111
41213233331000
523430302443
62410533104
7450113161
oct147577500
956152544
1027197248
1114396771
129137194
135833360
14387d768
1525c369d
hex19eff40

27197248 has 56 divisors (see below), whose sum is σ = 58894472. Its totient is φ = 12386304.

The previous prime is 27197239. The next prime is 27197281. The reversal of 27197248 is 84279172.

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 27123264 = 272^2 + 5208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27197248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80536 + ... + 80872.

It is an arithmetic number, because the mean of its divisors is an integer number (1051687).

Almost surely, 227197248 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 27197248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29447236).

27197248 is an abundant number, since it is smaller than the sum of its proper divisors (31697224).

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

27197248 is a wasteful number, since it uses less digits than its factorization.

27197248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 449 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 27197248 is about 5215.0980815321. The cubic root of 27197248 is about 300.7287763314.

The spelling of 27197248 in words is "twenty-seven million, one hundred ninety-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 97 104 194 208 337 388 416 674 776 832 1261 1348 1552 2522 2696 3104 4381 5044 5392 6208 8762 10088 10784 17524 20176 21568 32689 35048 40352 65378 70096 80704 130756 140192 261512 280384 424957 523024 849914 1046048 1699828 2092096 3399656 6799312 13598624 27197248