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524015421 = 3199193253
BaseRepresentation
bin11111001110111…
…101011100111101
31100112000202000120
4133032331130331
52033121443141
6123555245153
715662025516
oct3716753475
91315022016
10524015421
1124987a5a6
121275a97b9
13847430c7
144d847a0d
153100dc66
hex1f3bd73d

524015421 has 8 divisors (see below), whose sum is σ = 735460320. Its totient is φ = 330957072.

The previous prime is 524015411. The next prime is 524015431. The reversal of 524015421 is 124510425.

It is an interprime number because it is at equal distance from previous prime (524015411) and next prime (524015431).

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

It is not a de Polignac number, because 524015421 - 222 = 519821117 is a prime.

It is a super-2 number, since 2×5240154212 = 549184322891614482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 524015391 and 524015400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524015411) 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, 4596570 + ... + 4596683.

It is an arithmetic number, because the mean of its divisors is an integer number (91932540).

Almost surely, 2524015421 is an apocalyptic number.

It is an amenable number.

524015421 is a deficient number, since it is larger than the sum of its proper divisors (211444899).

524015421 is a wasteful number, since it uses less digits than its factorization.

524015421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193275.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 524015421 is about 22891.3831167975. The cubic root of 524015421 is about 806.2097064894.

Adding to 524015421 its reverse (124510425), we get a palindrome (648525846).

The spelling of 524015421 in words is "five hundred twenty-four million, fifteen thousand, four hundred twenty-one".

Divisors: 1 3 19 57 9193253 27579759 174671807 524015421