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550007505 = 32512222389
BaseRepresentation
bin100000110010000…
…111001011010001
31102022221021110100
4200302013023101
52111300220010
6130324323013
716425662265
oct4062071321
91368837410
10550007505
11262512863
12134243469
1389c43a38
14530920a5
15334452c0
hex20c872d1

550007505 has 12 divisors (see below), whose sum is σ = 953346420. Its totient is φ = 293337312.

The previous prime is 550007503. The next prime is 550007509. The reversal of 550007505 is 505700055.

It can be written as a sum of positive squares in 2 ways, for example, as 89132481 + 460875024 = 9441^2 + 21468^2 .

It is not a de Polignac number, because 550007505 - 21 = 550007503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550007501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6111150 + ... + 6111239.

It is an arithmetic number, because the mean of its divisors is an integer number (79445535).

Almost surely, 2550007505 is an apocalyptic number.

It is an amenable number.

550007505 is a deficient number, since it is larger than the sum of its proper divisors (403338915).

550007505 is a wasteful number, since it uses less digits than its factorization.

550007505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222400 (or 12222397 counting only the distinct ones).

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

The square root of 550007505 is about 23452.2388057089. The cubic root of 550007505 is about 819.3249972541.

The spelling of 550007505 in words is "five hundred fifty million, seven thousand, five hundred five".

Divisors: 1 3 5 9 15 45 12222389 36667167 61111945 110001501 183335835 550007505