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4287629 = 6170289
BaseRepresentation
bin10000010110110010001101
322001211112002
4100112302031
52044201004
6231522045
751305243
oct20266215
98054462
104287629
1124693a5
121529325
13b71778
147d8793
1559a61e
hex416c8d

4287629 has 4 divisors (see below), whose sum is σ = 4357980. Its totient is φ = 4217280.

The previous prime is 4287623. The next prime is 4287643. The reversal of 4287629 is 9267824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2402500 + 1885129 = 1550^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 4287629 - 28 = 4287373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4287592 and 4287601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287623) 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, 35084 + ... + 35205.

It is an arithmetic number, because the mean of its divisors is an integer number (1089495).

Almost surely, 24287629 is an apocalyptic number.

It is an amenable number.

4287629 is a deficient number, since it is larger than the sum of its proper divisors (70351).

4287629 is an equidigital number, since it uses as much as digits as its factorization.

4287629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70350.

The product of its digits is 48384, while the sum is 38.

The square root of 4287629 is about 2070.6590738217. The cubic root of 4287629 is about 162.4572384525.

The spelling of 4287629 in words is "four million, two hundred eighty-seven thousand, six hundred twenty-nine".

Divisors: 1 61 70289 4287629