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275954242 = 2137977121
BaseRepresentation
bin10000011100101…
…011101001000010
3201020020221001111
4100130223221002
51031121013432
643214353534
76560400214
oct2034535102
9636227044
10275954242
11131850563
12784bb8aa
134522c045
14289145b4
151935e347
hex1072ba42

275954242 has 4 divisors (see below), whose sum is σ = 413931366. Its totient is φ = 137977120.

The previous prime is 275954221. The next prime is 275954279. The reversal of 275954242 is 242459572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 253096281 + 22857961 = 15909^2 + 4781^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 275954195 and 275954204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68988559 + ... + 68988562.

Almost surely, 2275954242 is an apocalyptic number.

275954242 is a deficient number, since it is larger than the sum of its proper divisors (137977124).

275954242 is a wasteful number, since it uses less digits than its factorization.

275954242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137977123.

The product of its digits is 201600, while the sum is 40.

The square root of 275954242 is about 16611.8705147855. The cubic root of 275954242 is about 651.0470241782.

The spelling of 275954242 in words is "two hundred seventy-five million, nine hundred fifty-four thousand, two hundred forty-two".

Divisors: 1 2 137977121 275954242