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88248105 = 325111710487
BaseRepresentation
bin1010100001010…
…00111100101001
320011001110122100
411100220330221
5140042414410
612431244013
72121045051
oct520507451
9204043570
1088248105
11458a5120
1225679609
131538a71a
14ba12561
157b328c0
hex5428f29

88248105 has 48 divisors (see below), whose sum is σ = 176701824. Its totient is φ = 40266240.

The previous prime is 88248077. The next prime is 88248107. The reversal of 88248105 is 50184288.

It is not a de Polignac number, because 88248105 - 214 = 88231721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88248105.

It is not an unprimeable number, because it can be changed into a prime (88248107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3172 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (3681288).

Almost surely, 288248105 is an apocalyptic number.

88248105 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88248105 is an abundant number, since it is smaller than the sum of its proper divisors (88453719).

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

88248105 is a wasteful number, since it uses less digits than its factorization.

88248105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526 (or 10523 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 88248105 is about 9394.0462528135. The cubic root of 88248105 is about 445.2136414717.

The spelling of 88248105 in words is "eighty-eight million, two hundred forty-eight thousand, one hundred five".

Divisors: 1 3 5 9 11 15 17 33 45 51 55 85 99 153 165 187 255 495 561 765 935 1683 2805 8415 10487 31461 52435 94383 115357 157305 178279 346071 471915 534837 576785 891395 1038213 1604511 1730355 1961069 2674185 5191065 5883207 8022555 9805345 17649621 29416035 88248105