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52825421 = 1113934549
BaseRepresentation
bin1100100110000…
…0110101001101
310200101210212002
43021200311031
5102010403141
65124122045
71211002655
oct311406515
9120353762
1052825421
1127900580
1215836325
13ac3745c
147031365
154986e9b
hex3260d4d

52825421 has 8 divisors (see below), whose sum is σ = 58044000. Its totient is φ = 47676240.

The previous prime is 52825373. The next prime is 52825429. The reversal of 52825421 is 12452825.

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 52825421 - 210 = 52824397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52825429) 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, 15746 + ... + 18803.

It is an arithmetic number, because the mean of its divisors is an integer number (7255500).

Almost surely, 252825421 is an apocalyptic number.

It is an amenable number.

52825421 is a deficient number, since it is larger than the sum of its proper divisors (5218579).

52825421 is a wasteful number, since it uses less digits than its factorization.

52825421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34699.

The product of its digits is 6400, while the sum is 29.

The square root of 52825421 is about 7268.1098643320. The cubic root of 52825421 is about 375.2156886594.

The spelling of 52825421 in words is "fifty-two million, eight hundred twenty-five thousand, four hundred twenty-one".

Divisors: 1 11 139 1529 34549 380039 4802311 52825421