275823100 has 72 divisors (see below), whose sum is σ = 687955968. Its totient is φ = 94027200.

The previous prime is 275823071. The next prime is 275823103. The reversal of 275823100 is 1328572.

It is a super-2 number, since 2×275823100² = 152156764987220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275823103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132669 + ... + 134731.

It is an arithmetic number, because the mean of its divisors is an integer number (9554944).

Almost surely, 2^275823100 is an apocalyptic number.

275823100 is a gapful number since it is divisible by the number (20) 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 275823100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343977984).

275823100 is an abundant number, since it is smaller than the sum of its proper divisors (412132868).

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

275823100 is a wasteful number, since it uses less digits than its factorization.

275823100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 275823100 is about 16607.9228081058. The cubic root of 275823100 is about 650.9438752687.

The spelling of 275823100 in words is "two hundred seventy-five million, eight hundred twenty-three thousand, one hundred".