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1055405103 = 31961303539
BaseRepresentation
bin111110111010000…
…011010000101111
32201112221010121220
4332322003100233
54130140430403
6252420554423
735103536544
oct7672032057
92645833556
101055405103
114a1826525
12255552a13
1313a86887c
14a0250bcb
15629c7953
hex3ee8342f

1055405103 has 16 divisors (see below), whose sum is σ = 1505558400. Its totient is φ = 655642080.

The previous prime is 1055405063. The next prime is 1055405107. The reversal of 1055405103 is 3015045501.

It is not a de Polignac number, because 1055405103 - 213 = 1055396911 is a prime.

It is a super-2 number, since 2×10554051032 = 2227759862876881218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055405107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148293 + ... + 155246.

It is an arithmetic number, because the mean of its divisors is an integer number (94097400).

Almost surely, 21055405103 is an apocalyptic number.

1055405103 is a deficient number, since it is larger than the sum of its proper divisors (450153297).

1055405103 is a wasteful number, since it uses less digits than its factorization.

1055405103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303622.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1055405103 is about 32486.9989842091. The cubic root of 1055405103 is about 1018.1374130519.

The spelling of 1055405103 in words is "one billion, fifty-five million, four hundred five thousand, one hundred three".

Divisors: 1 3 19 57 61 183 1159 3477 303539 910617 5767241 17301723 18515879 55547637 351801701 1055405103