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52689043 = 1115730509
BaseRepresentation
bin1100100011111…
…1100010010011
310200010212210001
43020333202103
5101442022133
65121150431
71206564241
oct310774223
9120125701
1052689043
1127818070
121578b417
13abba364
146dd7791
15495b87d
hex323f893

52689043 has 8 divisors (see below), whose sum is σ = 57846960. Its totient is φ = 47592480.

The previous prime is 52689041. The next prime is 52689079. The reversal of 52689043 is 34098625.

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 52689043 - 21 = 52689041 is a prime.

It is a super-2 number, since 2×526890432 = 5552270504511698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52688993 and 52689011.

It is not an unprimeable number, because it can be changed into a prime (52689041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13528 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (7230870).

Almost surely, 252689043 is an apocalyptic number.

52689043 is a deficient number, since it is larger than the sum of its proper divisors (5157917).

52689043 is a wasteful number, since it uses less digits than its factorization.

52689043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30677.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 52689043 is about 7258.7218571867. The cubic root of 52689043 is about 374.8925155656.

The spelling of 52689043 in words is "fifty-two million, six hundred eighty-nine thousand, forty-three".

Divisors: 1 11 157 1727 30509 335599 4789913 52689043