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424045657 = 7241211073
BaseRepresentation
bin11001010001100…
…110110001011001
31002112220202021201
4121101212301121
51332023430112
6110024434201
713336220500
oct3121466131
91075822251
10424045657
111a83a9862
12ba018961
1369b102b9
1440463837
1527363257
hex19466c59

424045657 has 12 divisors (see below), whose sum is σ = 505311156. Its totient is φ = 354600960.

The previous prime is 424045639. The next prime is 424045673. The reversal of 424045657 is 756540424.

It can be written as a sum of positive squares in 2 ways, for example, as 106172416 + 317873241 = 10304^2 + 17829^2 .

It is not a de Polignac number, because 424045657 - 227 = 289827929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424045607) 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, 103528 + ... + 107545.

It is an arithmetic number, because the mean of its divisors is an integer number (42109263).

Almost surely, 2424045657 is an apocalyptic number.

It is an amenable number.

424045657 is a deficient number, since it is larger than the sum of its proper divisors (81265499).

424045657 is a wasteful number, since it uses less digits than its factorization.

424045657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211128 (or 211121 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 424045657 is about 20592.3689020957. The cubic root of 424045657 is about 751.2841154013.

The spelling of 424045657 in words is "four hundred twenty-four million, forty-five thousand, six hundred fifty-seven".

Divisors: 1 7 41 49 287 2009 211073 1477511 8653993 10342577 60577951 424045657