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140224700 = 225271118211
BaseRepresentation
bin10000101101110…
…10100010111100
3100202212011010102
420112322202330
5241344142300
621525300232
73321614240
oct1026724274
9322764112
10140224700
1172175990
123ab64678
13230886c5
14148a2420
15c49d0d5
hex85ba8bc

140224700 has 72 divisors (see below), whose sum is σ = 379392384. Its totient is φ = 43704000.

The previous prime is 140224699. The next prime is 140224717. The reversal of 140224700 is 7422041.

140224700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1406 + ... + 16805.

Almost surely, 2140224700 is an apocalyptic number.

140224700 is a gapful number since it is divisible by the number (10) 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 140224700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189696192).

140224700 is an abundant number, since it is smaller than the sum of its proper divisors (239167684).

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

140224700 is a wasteful number, since it uses less digits than its factorization.

140224700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243 (or 18236 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 140224700 is about 11841.6510673132. The cubic root of 140224700 is about 519.5270601298.

Adding to 140224700 its reverse (7422041), we get a palindrome (147646741).

The spelling of 140224700 in words is "one hundred forty million, two hundred twenty-four thousand, seven hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1100 1540 1925 3850 7700 18211 36422 72844 91055 127477 182110 200321 254954 364220 400642 455275 509908 637385 801284 910550 1001605 1274770 1402247 1821100 2003210 2549540 2804494 3186925 4006420 5008025 5608988 6373850 7011235 10016050 12747700 14022470 20032100 28044940 35056175 70112350 140224700