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424572047 = 3971069451
BaseRepresentation
bin11001010011100…
…111010010001111
31002120220111100122
4121103213102033
51332142301142
6110044015155
713343542244
oct3123472217
91076814318
10424572047
111a8729299
12ba2314bb
1369c65a83
144055d5cb
15274191d2
hex194e748f

424572047 has 4 divisors (see below), whose sum is σ = 425641896. Its totient is φ = 423502200.

The previous prime is 424572037. The next prime is 424572053. The reversal of 424572047 is 740275424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424572047 - 212 = 424567951 is a prime.

It is a super-2 number, since 2×4245720472 = 360522846187540418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424571998 and 424572016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424572037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534329 + ... + 535122.

It is an arithmetic number, because the mean of its divisors is an integer number (106410474).

Almost surely, 2424572047 is an apocalyptic number.

424572047 is a deficient number, since it is larger than the sum of its proper divisors (1069849).

424572047 is a wasteful number, since it uses less digits than its factorization.

424572047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069848.

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 424572047 is about 20605.1461290620. The cubic root of 424572047 is about 751.5948562482.

The spelling of 424572047 in words is "four hundred twenty-four million, five hundred seventy-two thousand, forty-seven".

Divisors: 1 397 1069451 424572047