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275249952 = 2532955729
BaseRepresentation
bin10000011001111…
…111101100100000
3201011221010221200
4100121333230200
51030430444302
643151321200
76551404665
oct2031775440
9634833850
10275249952
1113140a3aa
1278220200
13450435c3
14287ada6c
151927081c
hex1067fb20

275249952 has 36 divisors (see below), whose sum is σ = 782742870. Its totient is φ = 91749888.

The previous prime is 275249951. The next prime is 275249957. The reversal of 275249952 is 259942572.

275249952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 248251536 + 26998416 = 15756^2 + 5196^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 275249898 and 275249907.

It is not an unprimeable number, because it can be changed into a prime (275249951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477577 + ... + 478152.

Almost surely, 2275249952 is an apocalyptic number.

It is an amenable number.

275249952 is an abundant number, since it is smaller than the sum of its proper divisors (507492918).

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

275249952 is a wasteful number, since it uses less digits than its factorization.

275249952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955745 (or 955734 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 275249952 is about 16590.6585764399. The cubic root of 275249952 is about 650.4926852385.

The spelling of 275249952 in words is "two hundred seventy-five million, two hundred forty-nine thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 955729 1911458 2867187 3822916 5734374 7645832 8601561 11468748 15291664 17203122 22937496 30583328 34406244 45874992 68812488 91749984 137624976 275249952