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424900557 = 32121338921
BaseRepresentation
bin11001010100110…
…111011111001101
31002121112011222200
4121110313133031
51332233304212
6110055032113
713346411064
oct3124673715
91077464880
10424900557
111a8933094
12ba36b639
136a04c463
14406071db
15274816dc
hex195377cd

424900557 has 12 divisors (see below), whose sum is σ = 614267004. Its totient is φ = 283026240.

The previous prime is 424900543. The next prime is 424900559. The reversal of 424900557 is 755009424.

It can be written as a sum of positive squares in 2 ways, for example, as 4691556 + 420209001 = 2166^2 + 20499^2 .

It is not a de Polignac number, because 424900557 - 26 = 424900493 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424900559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8544 + ... + 30377.

It is an arithmetic number, because the mean of its divisors is an integer number (51188917).

Almost surely, 2424900557 is an apocalyptic number.

It is an amenable number.

424900557 is a deficient number, since it is larger than the sum of its proper divisors (189366447).

424900557 is a wasteful number, since it uses less digits than its factorization.

424900557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140 (or 40137 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 424900557 is about 20613.1161399726. The cubic root of 424900557 is about 751.7886535668.

The spelling of 424900557 in words is "four hundred twenty-four million, nine hundred thousand, five hundred fifty-seven".

Divisors: 1 3 9 1213 3639 10917 38921 116763 350289 47211173 141633519 424900557