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1052138830 = 25105213883
BaseRepresentation
bin111110101101100…
…101110101001110
32201022210012010211
4332231211311032
54123321420310
6252222553034
735034014101
oct7655456516
92638705124
101052138830
1149a9a5526
1225443877a
13139c93c72
149da40738
156257ec8a
hex3eb65d4e

1052138830 has 8 divisors (see below), whose sum is σ = 1893849912. Its totient is φ = 420855528.

The previous prime is 1052138807. The next prime is 1052138839. The reversal of 1052138830 is 388312501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10521388302 = 2213992235187537800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052138792 and 1052138801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052138839) 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, 52606932 + ... + 52606951.

It is an arithmetic number, because the mean of its divisors is an integer number (236731239).

Almost surely, 21052138830 is an apocalyptic number.

1052138830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052138830 is a deficient number, since it is larger than the sum of its proper divisors (841711082).

1052138830 is a wasteful number, since it uses less digits than its factorization.

1052138830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105213890.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1052138830 is about 32436.6895659838. The cubic root of 1052138830 is about 1017.0860154258.

The spelling of 1052138830 in words is "one billion, fifty-two million, one hundred thirty-eight thousand, eight hundred thirty".

Divisors: 1 2 5 10 105213883 210427766 526069415 1052138830