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4720529 = 11429139
BaseRepresentation
bin10010000000011110010001
322212211100102
4102000132101
52202024104
6245102145
755060322
oct22003621
98784312
104720529
112734670
1216b7955
13c93818
148ac449
15633a1e
hex480791

4720529 has 4 divisors (see below), whose sum is σ = 5149680. Its totient is φ = 4291380.

The previous prime is 4720517. The next prime is 4720553. The reversal of 4720529 is 9250274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4720529 - 28 = 4720273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4720559) 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, 214559 + ... + 214580.

It is an arithmetic number, because the mean of its divisors is an integer number (1287420).

Almost surely, 24720529 is an apocalyptic number.

It is an amenable number.

4720529 is a deficient number, since it is larger than the sum of its proper divisors (429151).

4720529 is a wasteful number, since it uses less digits than its factorization.

4720529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429150.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4720529 is about 2172.6778408222. The cubic root of 4720529 is about 167.7503970087.

The spelling of 4720529 in words is "four million, seven hundred twenty thousand, five hundred twenty-nine".

Divisors: 1 11 429139 4720529