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1053423647 = 6715722741
BaseRepresentation
bin111110110010011…
…111100000011111
32201102012110120122
4332302133200133
54124134024042
6252310305155
735050644653
oct7662374037
92642173518
101053423647
114a06a2861
122549581bb
1313a323a03
149dc96a63
15627357d2
hex3ec9f81f

1053423647 has 4 divisors (see below), whose sum is σ = 1069146456. Its totient is φ = 1037700840.

The previous prime is 1053423599. The next prime is 1053423671. The reversal of 1053423647 is 7463243501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7463243501 = 71066177643.

It is a cyclic number.

It is not a de Polignac number, because 1053423647 - 214 = 1053407263 is a prime.

It is a super-2 number, since 2×10534236472 = 2219402760117561218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053423677) 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 3 ways as a sum of consecutive naturals, for example, 7861304 + ... + 7861437.

It is an arithmetic number, because the mean of its divisors is an integer number (267286614).

Almost surely, 21053423647 is an apocalyptic number.

1053423647 is a deficient number, since it is larger than the sum of its proper divisors (15722809).

1053423647 is an equidigital number, since it uses as much as digits as its factorization.

1053423647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15722808.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 1053423647 is about 32456.4885192468. The cubic root of 1053423647 is about 1017.4998511310.

The spelling of 1053423647 in words is "one billion, fifty-three million, four hundred twenty-three thousand, six hundred forty-seven".

Divisors: 1 67 15722741 1053423647