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1052800812 = 2232737112913
BaseRepresentation
bin111110110000000…
…111011100101100
32201101000211012200
4332300013130230
54124004111222
6252245101500
735042442060
oct7660073454
92641024180
101052800812
114a0307918
122546b7890
1313a16637b
149db73aa0
1562660eac
hex3ec0772c

1052800812 has 72 divisors (see below), whose sum is σ = 3123652896. Its totient is φ = 292667904.

The previous prime is 1052800759. The next prime is 1052800813. The reversal of 1052800812 is 2180082501.

It is a super-2 number, since 2×10528008122 = 2216779099495718688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052800813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47133 + ... + 65780.

It is an arithmetic number, because the mean of its divisors is an integer number (43384068).

Almost surely, 21052800812 is an apocalyptic number.

1052800812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1052800812 is an abundant number, since it is smaller than the sum of its proper divisors (2070852084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052800812 is a wasteful number, since it uses less digits than its factorization.

1052800812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112967 (or 112962 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1052800812 is about 32446.8921778342. The cubic root of 1052800812 is about 1017.2992798917.

The spelling of 1052800812 in words is "one billion, fifty-two million, eight hundred thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 37 42 63 74 84 111 126 148 222 252 259 333 444 518 666 777 1036 1332 1554 2331 3108 4662 9324 112913 225826 338739 451652 677478 790391 1016217 1354956 1580782 2032434 2371173 3161564 4064868 4177781 4742346 7113519 8355562 9484692 12533343 14227038 16711124 25066686 28454076 29244467 37600029 50133372 58488934 75200058 87733401 116977868 150400116 175466802 263200203 350933604 526400406 1052800812