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140573988 = 223310312637
BaseRepresentation
bin10000110000011…
…11110100100100
3100210111220021000
420120033310210
5241441331423
621540553300
73324600462
oct1030176444
9323456230
10140573988
1172394355
123b0b2830
132317b699
1414953832
15c51b843
hex860fd24

140573988 has 48 divisors (see below), whose sum is σ = 368018560. Its totient is φ = 46399392.

The previous prime is 140573963. The next prime is 140574001. The reversal of 140573988 is 889375041.

It is a super-3 number, since 3×1405739883 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 4806 + ... + 17442.

Almost surely, 2140573988 is an apocalyptic number.

140573988 is a gapful number since it is divisible by the number (18) 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 140573988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184009280).

140573988 is an abundant number, since it is smaller than the sum of its proper divisors (227444572).

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

140573988 is a wasteful number, since it uses less digits than its factorization.

140573988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753 (or 12745 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 140573988 is about 11856.3901757660. The cubic root of 140573988 is about 519.9580686110.

The spelling of 140573988 in words is "one hundred forty million, five hundred seventy-three thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 103 108 206 309 412 618 927 1236 1854 2781 3708 5562 11124 12637 25274 37911 50548 75822 113733 151644 227466 341199 454932 682398 1301611 1364796 2603222 3904833 5206444 7809666 11714499 15619332 23428998 35143497 46857996 70286994 140573988