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52465621 = 1317237401
BaseRepresentation
bin1100100000100…
…0111111010101
310122201112022011
43020020333111
5101412344441
65112304221
71204643665
oct310107725
9118645264
1052465621
112768521a
12156a2071
13ab3c760
146d7a1a5
154915581
hex3208fd5

52465621 has 8 divisors (see below), whose sum is σ = 59825304. Its totient is φ = 45580800.

The previous prime is 52465613. The next prime is 52465649. The reversal of 52465621 is 12656425.

52465621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 62500 + 52403121 = 250^2 + 7239^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52465621 - 23 = 52465613 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 (52465661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118480 + ... + 118921.

It is an arithmetic number, because the mean of its divisors is an integer number (7478163).

Almost surely, 252465621 is an apocalyptic number.

It is an amenable number.

52465621 is a deficient number, since it is larger than the sum of its proper divisors (7359683).

52465621 is a wasteful number, since it uses less digits than its factorization.

52465621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237431.

The product of its digits is 14400, while the sum is 31.

The square root of 52465621 is about 7243.3156082004. The cubic root of 52465621 is about 374.3618681982.

The spelling of 52465621 in words is "fifty-two million, four hundred sixty-five thousand, six hundred twenty-one".

Divisors: 1 13 17 221 237401 3086213 4035817 52465621