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1000550005 = 57132518761
BaseRepresentation
bin111011101000110…
…010111001110101
32120201201012120121
4323220302321311
54022120100010
6243141131541
733536351260
oct7350627165
92521635517
101000550005
1147386a034
1223b0b9bb1
1312c3a0630
1496c51cd7
155cc8e3da
hex3ba32e75

1000550005 has 32 divisors (see below), whose sum is σ = 1483792128. Its totient is φ = 630720000.

The previous prime is 1000550003. The next prime is 1000550027. The reversal of 1000550005 is 5000550001.

It is not a de Polignac number, because 1000550005 - 21 = 1000550003 is a prime.

It is a super-2 number, since 2×10005500052 = 2002200625011000050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000550003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109825 + ... + 118585.

It is an arithmetic number, because the mean of its divisors is an integer number (46368504).

Almost surely, 21000550005 is an apocalyptic number.

It is an amenable number.

1000550005 is a deficient number, since it is larger than the sum of its proper divisors (483242123).

1000550005 is a wasteful number, since it uses less digits than its factorization.

1000550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 1000550005 is about 31631.4717488769. The cubic root of 1000550005 is about 1000.1833013985.

The spelling of 1000550005 in words is "one billion, five hundred fifty thousand, five".

Divisors: 1 5 7 13 35 65 91 251 455 1255 1757 3263 8761 8785 16315 22841 43805 61327 113893 114205 306635 569465 797251 2199011 3986255 10995055 15393077 28587143 76965385 142935715 200110001 1000550005