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142314816 = 263732161
BaseRepresentation
bin10000111101110…
…00110101000000
3100220210100020010
420132320311000
5242413033231
622042144520
73345441000
oct1036706500
9326710203
10142314816
1173373256
123b7b2140
132363ab67
1414c88000
15c762546
hex87b8d40

142314816 has 112 divisors (see below), whose sum is σ = 439318400. Its totient is φ = 40642560.

The previous prime is 142314779. The next prime is 142314829. The reversal of 142314816 is 618413241.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1423148162 = 40507013706227712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64776 + ... + 66936.

Almost surely, 2142314816 is an apocalyptic number.

142314816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142314816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219659200).

142314816 is an abundant number, since it is smaller than the sum of its proper divisors (297003584).

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

142314816 is an equidigital number, since it uses as much as digits as its factorization.

142314816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2173 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 142314816 is about 11929.5773604935. The cubic root of 142314816 is about 522.0956064515.

The spelling of 142314816 in words is "one hundred forty-two million, three hundred fourteen thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 343 392 448 588 672 686 784 1029 1176 1344 1372 1568 2058 2161 2352 2744 3136 4116 4322 4704 5488 6483 8232 8644 9408 10976 12966 15127 16464 17288 21952 25932 30254 32928 34576 45381 51864 60508 65856 69152 90762 103728 105889 121016 138304 181524 207456 211778 242032 317667 363048 414912 423556 484064 635334 726096 741223 847112 968128 1270668 1452192 1482446 1694224 2223669 2541336 2904384 2964892 3388448 4447338 5082672 5929784 6776896 8894676 10165344 11859568 17789352 20330688 23719136 35578704 47438272 71157408 142314816