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274443013 = 1327776213
BaseRepresentation
bin10000010110111…
…010101100000101
3201010102011001001
4100112322230011
51030224134023
643122133301
76541504255
oct2026725405
9633364031
10274443013
11130a09109
1277ab1231
1344b20220
142863d965
15191616ad
hex105bab05

274443013 has 8 divisors (see below), whose sum is σ = 296624888. Its totient is φ = 252414144.

The previous prime is 274443007. The next prime is 274443017. The reversal of 274443013 is 310344472.

It can be written as a sum of positive squares in 4 ways, for example, as 2259009 + 272184004 = 1503^2 + 16498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 274443013 - 29 = 274442501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274443017) 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, 34506 + ... + 41707.

It is an arithmetic number, because the mean of its divisors is an integer number (37078111).

Almost surely, 2274443013 is an apocalyptic number.

It is an amenable number.

274443013 is a deficient number, since it is larger than the sum of its proper divisors (22181875).

274443013 is a wasteful number, since it uses less digits than its factorization.

274443013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76503.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 274443013 is about 16566.3216496602. The cubic root of 274443013 is about 649.8563887856.

Adding to 274443013 its reverse (310344472), we get a palindrome (584787485).

The spelling of 274443013 in words is "two hundred seventy-four million, four hundred forty-three thousand, thirteen".

Divisors: 1 13 277 3601 76213 990769 21111001 274443013