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52625447 = 77517921
BaseRepresentation
bin1100100011000…
…0000000100111
310200000122112122
43020300000213
5101433003242
65115540155
71206210650
oct310600047
9120018478
1052625447
1127784306
121575a65b
13ab97424
146dbc527
154947ad2
hex3230027

52625447 has 4 divisors (see below), whose sum is σ = 60143376. Its totient is φ = 45107520.

The previous prime is 52625431. The next prime is 52625467. The reversal of 52625447 is 74452625.

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 52625447 - 24 = 52625431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52625407) 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, 3758954 + ... + 3758967.

It is an arithmetic number, because the mean of its divisors is an integer number (15035844).

Almost surely, 252625447 is an apocalyptic number.

52625447 is a deficient number, since it is larger than the sum of its proper divisors (7517929).

52625447 is an equidigital number, since it uses as much as digits as its factorization.

52625447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517928.

The product of its digits is 67200, while the sum is 35.

The square root of 52625447 is about 7254.3398734826. The cubic root of 52625447 is about 374.7416223131.

The spelling of 52625447 in words is "fifty-two million, six hundred twenty-five thousand, four hundred forty-seven".

Divisors: 1 7 7517921 52625447