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140560 = 2457251
BaseRepresentation
bin100010010100010000
321010210221
4202110100
513444220
63002424
71123540
oct422420
9233727
10140560
1196672
1269414
134bc94
1439320
152b9aa
hex22510

140560 has 40 divisors (see below), whose sum is σ = 374976. Its totient is φ = 48000.

The previous prime is 140557. The next prime is 140587. The reversal of 140560 is 65041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1405602 = 39514227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 685.

2140560 is an apocalyptic number.

140560 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 140560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187488).

140560 is an abundant number, since it is smaller than the sum of its proper divisors (234416).

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

140560 is a wasteful number, since it uses less digits than its factorization.

140560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 140560 is about 374.9133233162. The cubic root of 140560 is about 51.9940821668.

It can be divided in two parts, 140 and 560, that multiplied together give a square (78400 = 2802).

The spelling of 140560 in words is "one hundred forty thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 251 280 502 560 1004 1255 1757 2008 2510 3514 4016 5020 7028 8785 10040 14056 17570 20080 28112 35140 70280 140560