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140144060 = 22572371613
BaseRepresentation
bin10000101101001…
…10110110111100
3100202201001111202
420112212312330
5241334102220
621523435032
73321130160
oct1026466674
9322631452
10140144060
1172120341
123ab25a78
132305aaa4
1414880ca0
15c484275
hex85a6dbc

140144060 has 96 divisors (see below), whose sum is σ = 356493312. Its totient is φ = 45239040.

The previous prime is 140144047. The next prime is 140144063. The reversal of 140144060 is 60441041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140144063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228314 + ... + 228926.

It is an arithmetic number, because the mean of its divisors is an integer number (3713472).

Almost surely, 2140144060 is an apocalyptic number.

140144060 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 140144060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178246656).

140144060 is an abundant number, since it is smaller than the sum of its proper divisors (216349252).

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

140144060 is a wasteful number, since it uses less digits than its factorization.

140144060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 140144060 is about 11838.2456470543. The cubic root of 140144060 is about 519.4274516785.

The spelling of 140144060 in words is "one hundred forty million, one hundred forty-four thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 71 92 115 140 142 161 230 284 322 355 460 497 613 644 710 805 994 1226 1420 1610 1633 1988 2452 2485 3065 3220 3266 4291 4970 6130 6532 8165 8582 9940 11431 12260 14099 16330 17164 21455 22862 28198 32660 42910 43523 45724 56396 57155 70495 85820 87046 98693 114310 140990 174092 197386 217615 228620 281980 304661 394772 435230 493465 609322 870460 986930 1001029 1218644 1523305 1973860 2002058 3046610 4004116 5005145 6093220 7007203 10010290 14014406 20020580 28028812 35036015 70072030 140144060