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424124251 = 1971314399
BaseRepresentation
bin11001010001111…
…001111101011011
31002120001202002121
4121101321331123
51332033434001
6110030242111
713336665565
oct3121717533
91076052077
10424124251
111a8452911
12ba056337
1369b39cc5
1440484335
152737b6a1
hex19479f5b

424124251 has 8 divisors (see below), whose sum is σ = 452736000. Its totient is φ = 396141480.

The previous prime is 424124243. The next prime is 424124293. The reversal of 424124251 is 152421424.

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 424124251 - 23 = 424124243 is a prime.

It is a super-3 number, since 3×4241242513 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424124201) 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, 155851 + ... + 158548.

It is an arithmetic number, because the mean of its divisors is an integer number (56592000).

Almost surely, 2424124251 is an apocalyptic number.

424124251 is a deficient number, since it is larger than the sum of its proper divisors (28611749).

424124251 is a wasteful number, since it uses less digits than its factorization.

424124251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314489.

The product of its digits is 2560, while the sum is 25.

The square root of 424124251 is about 20594.2771419635. The cubic root of 424124251 is about 751.3305276805.

Adding to 424124251 its reverse (152421424), we get a palindrome (576545675).

The spelling of 424124251 in words is "four hundred twenty-four million, one hundred twenty-four thousand, two hundred fifty-one".

Divisors: 1 19 71 1349 314399 5973581 22322329 424124251