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5272129 = 23229223
BaseRepresentation
bin10100000111001001000001
3100220212000001
4110013021001
52322202004
6305000001
762545432
oct24071101
910825001
105272129
112a81035
121923001
131127905
149b3489
156e21a4
hex507241

5272129 has 4 divisors (see below), whose sum is σ = 5501376. Its totient is φ = 5042884.

The previous prime is 5272123. The next prime is 5272147. The reversal of 5272129 is 9212725.

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 5272129 - 23 = 5272121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5272097 and 5272106.

It is not an unprimeable number, because it can be changed into a prime (5272121) 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, 114589 + ... + 114634.

It is an arithmetic number, because the mean of its divisors is an integer number (1375344).

Almost surely, 25272129 is an apocalyptic number.

It is an amenable number.

5272129 is a deficient number, since it is larger than the sum of its proper divisors (229247).

5272129 is a wasteful number, since it uses less digits than its factorization.

5272129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229246.

The product of its digits is 2520, while the sum is 28.

The square root of 5272129 is about 2296.1117133101. Note that the first 3 decimals coincide. The cubic root of 5272129 is about 174.0451835801.

The spelling of 5272129 in words is "five million, two hundred seventy-two thousand, one hundred twenty-nine".

Divisors: 1 23 229223 5272129