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52070547 = 317356849
BaseRepresentation
bin1100011010100…
…0100010010011
310121222110100210
43012220202103
5101312224142
65100015203
71201410114
oct306504223
9117873323
1052070547
1127435411
1215531503
13aa31999
146cb620b
15488849c
hex31a8893

52070547 has 4 divisors (see below), whose sum is σ = 69427400. Its totient is φ = 34713696.

The previous prime is 52070531. The next prime is 52070567. The reversal of 52070547 is 74507025.

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

It is not a de Polignac number, because 52070547 - 24 = 52070531 is a prime.

It is a super-2 number, since 2×520705472 = 5422683729758418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52070567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8678422 + ... + 8678427.

It is an arithmetic number, because the mean of its divisors is an integer number (17356850).

Almost surely, 252070547 is an apocalyptic number.

52070547 is a deficient number, since it is larger than the sum of its proper divisors (17356853).

52070547 is a wasteful number, since it uses less digits than its factorization.

52070547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356852.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52070547 is about 7215.9924473353. The cubic root of 52070547 is about 373.4198326533.

The spelling of 52070547 in words is "fifty-two million, seventy thousand, five hundred forty-seven".

Divisors: 1 3 17356849 52070547