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50507505 = 3251122389
BaseRepresentation
bin1100000010101…
…0111011110001
310112001001021100
43000222323301
5100412220010
65002315013
71152210126
oct300527361
9115031240
1050507505
1126568044
1214ab8a69
13a6053c9
1469ca74d
15467a2c0
hex302aef1

50507505 has 12 divisors (see below), whose sum is σ = 87546420. Its totient is φ = 26937312.

The previous prime is 50507503. The next prime is 50507533. The reversal of 50507505 is 50570505.

50507505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38229489 + 12278016 = 6183^2 + 3504^2 .

It is not a de Polignac number, because 50507505 - 21 = 50507503 is a prime.

It is a super-2 number, since 2×505075052 = 5102016122650050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50507503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561150 + ... + 561239.

It is an arithmetic number, because the mean of its divisors is an integer number (7295535).

Almost surely, 250507505 is an apocalyptic number.

It is an amenable number.

50507505 is a deficient number, since it is larger than the sum of its proper divisors (37038915).

50507505 is a wasteful number, since it uses less digits than its factorization.

50507505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122400 (or 1122397 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 50507505 is about 7106.8632321158. The cubic root of 50507505 is about 369.6453992484.

The spelling of 50507505 in words is "fifty million, five hundred seven thousand, five hundred five".

Divisors: 1 3 5 9 15 45 1122389 3367167 5611945 10101501 16835835 50507505