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50925009 = 316975003
BaseRepresentation
bin1100001001000…
…0110111010001
310112211020222110
43002100313101
5101014100014
65015255533
71155566262
oct302206721
9115736873
1050925009
1126822793
121507a5a9
13a720455
146a98969
15470dd59
hex3090dd1

50925009 has 4 divisors (see below), whose sum is σ = 67900016. Its totient is φ = 33950004.

The previous prime is 50924989. The next prime is 50925023. The reversal of 50925009 is 90052905.

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 not a de Polignac number, because 50925009 - 25 = 50924977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50925079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8487499 + ... + 8487504.

It is an arithmetic number, because the mean of its divisors is an integer number (16975004).

Almost surely, 250925009 is an apocalyptic number.

It is an amenable number.

50925009 is a deficient number, since it is larger than the sum of its proper divisors (16975007).

50925009 is a wasteful number, since it uses less digits than its factorization.

50925009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16975006.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 50925009 is about 7136.1760768636. The cubic root of 50925009 is about 370.6611238058.

It can be divided in two parts, 5092 and 5009, that added together give a palindrome (10101).

The spelling of 50925009 in words is "fifty million, nine hundred twenty-five thousand, nine".

Divisors: 1 3 16975003 50925009