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52041643 = 471107269
BaseRepresentation
bin1100011010000…
…1011110101011
310121220222201021
43012201132223
5101310313033
65055233311
71201226623
oct306413653
9117828637
1052041643
1127415725
1215518837
13aa21794
146ca9883
15487eb2d
hex31a17ab

52041643 has 4 divisors (see below), whose sum is σ = 53148960. Its totient is φ = 50934328.

The previous prime is 52041629. The next prime is 52041683. The reversal of 52041643 is 34614025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52041643 is a prime.

It is a super-2 number, since 2×520416432 = 5416665212278898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52041623) 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, 553588 + ... + 553681.

It is an arithmetic number, because the mean of its divisors is an integer number (13287240).

Almost surely, 252041643 is an apocalyptic number.

52041643 is a deficient number, since it is larger than the sum of its proper divisors (1107317).

52041643 is a wasteful number, since it uses less digits than its factorization.

52041643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107316.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 52041643 is about 7213.9893956118. The cubic root of 52041643 is about 373.3507256105.

Adding to 52041643 its reverse (34614025), we get a palindrome (86655668).

The spelling of 52041643 in words is "fifty-two million, forty-one thousand, six hundred forty-three".

Divisors: 1 47 1107269 52041643