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52842019 = 271194989
BaseRepresentation
bin1100100110010…
…0111000100011
310200102122121211
43021210320203
5102011421034
65124330551
71211102236
oct311447043
9120378554
1052842019
1127911a9a
1215843a57
13ac41b89
14703741d
15498bd64
hex3264e23

52842019 has 4 divisors (see below), whose sum is σ = 53037280. Its totient is φ = 52646760.

The previous prime is 52841951. The next prime is 52842047. The reversal of 52842019 is 91024825.

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

It is a cyclic number.

It is not a de Polignac number, because 52842019 - 217 = 52710947 is a prime.

It is a super-2 number, since 2×528420192 = 5584557943992722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52842079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97224 + ... + 97765.

It is an arithmetic number, because the mean of its divisors is an integer number (13259320).

Almost surely, 252842019 is an apocalyptic number.

52842019 is a deficient number, since it is larger than the sum of its proper divisors (195261).

52842019 is a wasteful number, since it uses less digits than its factorization.

52842019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195260.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 52842019 is about 7269.2516120987. The cubic root of 52842019 is about 375.2549827323.

The spelling of 52842019 in words is "fifty-two million, eight hundred forty-two thousand, nineteen".

Divisors: 1 271 194989 52842019