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1054451023 = 10211032763
BaseRepresentation
bin111110110110011…
…010010101001111
32201111010122212121
4332312122111033
54124414413043
6252344313411
735062454143
oct7666322517
92644118777
101054451023
114a123472a
12255172867
1313a5c3522
14a0083223
1562889ded
hex3ed9a54f

1054451023 has 4 divisors (see below), whose sum is σ = 1055484808. Its totient is φ = 1053417240.

The previous prime is 1054451003. The next prime is 1054451029. The reversal of 1054451023 is 3201544501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054451023 - 221 = 1052353871 is a prime.

It is a super-2 number, since 2×10544510232 = 2223733919811493058, 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 (1054451029) 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, 515361 + ... + 517402.

It is an arithmetic number, because the mean of its divisors is an integer number (263871202).

Almost surely, 21054451023 is an apocalyptic number.

1054451023 is a deficient number, since it is larger than the sum of its proper divisors (1033785).

1054451023 is a wasteful number, since it uses less digits than its factorization.

1054451023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033784.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1054451023 is about 32472.3116362233. The cubic root of 1054451023 is about 1017.8305238154.

Adding to 1054451023 its reverse (3201544501), we get a palindrome (4255995524).

The spelling of 1054451023 in words is "one billion, fifty-four million, four hundred fifty-one thousand, twenty-three".

Divisors: 1 1021 1032763 1054451023