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52407047 = 711680611
BaseRepresentation
bin1100011111101…
…0101100000111
310122121112221202
43013322230013
5101404011142
65111133115
71204311140
oct307725407
9118545852
1052407047
1127645210
121567419b
13ab1bbb4
146d62ac7
154903032
hex31fab07

52407047 has 8 divisors (see below), whose sum is σ = 65338752. Its totient is φ = 40836600.

The previous prime is 52407037. The next prime is 52407077. The reversal of 52407047 is 74070425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52407047 - 222 = 48212743 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 (52407037) 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, 340229 + ... + 340382.

It is an arithmetic number, because the mean of its divisors is an integer number (8167344).

Almost surely, 252407047 is an apocalyptic number.

52407047 is a deficient number, since it is larger than the sum of its proper divisors (12931705).

52407047 is a wasteful number, since it uses less digits than its factorization.

52407047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680629.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 52407047 is about 7239.2711649723. The cubic root of 52407047 is about 374.2225005069. Note that the first 3 decimals are identical.

The spelling of 52407047 in words is "fifty-two million, four hundred seven thousand, forty-seven".

Divisors: 1 7 11 77 680611 4764277 7486721 52407047