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52620843 = 3112144961
BaseRepresentation
bin1100100010111…
…0111000101011
310200000102020010
43020232320223
5101432331333
65115503003
71206161352
oct310567053
9120012203
1052620843
1127780900
1215757a63
13ab952c2
146dba999
154946563
hex322ee2b

52620843 has 12 divisors (see below), whose sum is σ = 77119784. Its totient is φ = 31891200.

The previous prime is 52620839. The next prime is 52620881. The reversal of 52620843 is 34802625.

It is not a de Polignac number, because 52620843 - 22 = 52620839 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52620843.

It is not an unprimeable number, because it can be changed into a prime (52620143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72118 + ... + 72843.

Almost surely, 252620843 is an apocalyptic number.

52620843 is a deficient number, since it is larger than the sum of its proper divisors (24498941).

52620843 is a wasteful number, since it uses less digits than its factorization.

52620843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144986 (or 144975 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 52620843 is about 7254.0225392537. The cubic root of 52620843 is about 374.7306937551.

The spelling of 52620843 in words is "fifty-two million, six hundred twenty thousand, eight hundred forty-three".

Divisors: 1 3 11 33 121 363 144961 434883 1594571 4783713 17540281 52620843