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505000955 = 51135231709
BaseRepresentation
bin11110000110011…
…011001111111011
31022012020201002002
4132012123033323
52013240012310
6122035531215
715341302664
oct3606331773
91265221062
10505000955
1123a072768
12121159b0b
1380816444
144b0d836b
152e504da5
hex1e19b3fb

505000955 has 16 divisors (see below), whose sum is σ = 612891360. Its totient is φ = 399426048.

The previous prime is 505000931. The next prime is 505000957. The reversal of 505000955 is 559000505.

It is a cyclic number.

It is not a de Polignac number, because 505000955 - 26 = 505000891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505000957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294641 + ... + 296349.

It is an arithmetic number, because the mean of its divisors is an integer number (38305710).

Almost surely, 2505000955 is an apocalyptic number.

505000955 is a deficient number, since it is larger than the sum of its proper divisors (107890405).

505000955 is a wasteful number, since it uses less digits than its factorization.

505000955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350.

The product of its (nonzero) digits is 5625, while the sum is 29.

The square root of 505000955 is about 22472.2263027053. The cubic root of 505000955 is about 796.3379261603.

It can be divided in two parts, 50 and 5000955, that added together give a palindrome (5001005).

The spelling of 505000955 in words is "five hundred five million, nine hundred fifty-five", and thus it is an aban number.

Divisors: 1 5 113 523 565 1709 2615 8545 59099 193117 295495 893807 965585 4469035 101000191 505000955