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140421080 = 2359736191
BaseRepresentation
bin10000101111010…
…10011111011000
3100210020010111202
420113222133120
5241421433310
621533413332
73323362622
oct1027523730
9323203452
10140421080
117229a488
123b03a248
1323126bc7
1414913c12
15c4db3a5
hex85ea7d8

140421080 has 32 divisors (see below), whose sum is σ = 319213440. Its totient is φ = 55587840.

The previous prime is 140421053. The next prime is 140421107. The reversal of 140421080 is 80124041.

It is an interprime number because it is at equal distance from previous prime (140421053) and next prime (140421107).

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 7 ways as a sum of consecutive naturals, for example, 14216 + ... + 21975.

It is an arithmetic number, because the mean of its divisors is an integer number (9975420).

Almost surely, 2140421080 is an apocalyptic number.

140421080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140421080 is an abundant number, since it is smaller than the sum of its proper divisors (178792360).

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

140421080 is a wasteful number, since it uses less digits than its factorization.

140421080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36299 (or 36295 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 140421080 is about 11849.9400842367. The cubic root of 140421080 is about 519.7694737552.

The spelling of 140421080 in words is "one hundred forty million, four hundred twenty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 36191 72382 144764 180955 289528 361910 723820 1447640 3510527 7021054 14042108 17552635 28084216 35105270 70210540 140421080