Search a number
-
+
275696992 = 25192771637
BaseRepresentation
bin10000011011101…
…100110101100000
3201012202212011201
4100123230311200
51031034300432
643205050544
76555246214
oct2033546540
9635685151
10275696992
1113169525a
12783b6a54
134516bc1c
1428888944
151930cee7
hex106ecd60

275696992 has 48 divisors (see below), whose sum is σ = 573758640. Its totient is φ = 130042368.

The previous prime is 275696987. The next prime is 275696999. The reversal of 275696992 is 299696572.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275696999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167598 + ... + 169234.

It is an arithmetic number, because the mean of its divisors is an integer number (11953305).

Almost surely, 2275696992 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 275696992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286879320).

275696992 is an abundant number, since it is smaller than the sum of its proper divisors (298061648).

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

275696992 is a wasteful number, since it uses less digits than its factorization.

275696992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1935 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 55.

The square root of 275696992 is about 16604.1257523544. The cubic root of 275696992 is about 650.8446549786.

The spelling of 275696992 in words is "two hundred seventy-five million, six hundred ninety-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 19 32 38 76 152 277 304 554 608 1108 1637 2216 3274 4432 5263 6548 8864 10526 13096 21052 26192 31103 42104 52384 62206 84208 124412 168416 248824 453449 497648 906898 995296 1813796 3627592 7255184 8615531 14510368 17231062 34462124 68924248 137848496 275696992