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140574720 = 216351113
BaseRepresentation
bin10000110000100…
…00000000000000
3100210111221021010
420120100000000
5241441342340
621541000520
73324602556
oct1030200000
9323457233
10140574720
1172394960
123b0b3140
132317bb10
1414953bd6
15c51bb80
hex8610000

140574720 has 272 divisors, whose sum is σ = 528478272. Its totient is φ = 31457280.

The previous prime is 140574719. The next prime is 140574737. The reversal of 140574720 is 27475041.

It is a super-3 number, since 3×1405747203 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 16.

It is a congruent number.

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, 10813434 + ... + 10813446.

Almost surely, 2140574720 is an apocalyptic number.

140574720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140574720 is a droll number since its even prime factors and its odd prime factors have the same sum.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140574720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264239136).

140574720 is an abundant number, since it is smaller than the sum of its proper divisors (387903552).

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

140574720 is an equidigital number, since it uses as much as digits as its factorization.

140574720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 140574720 is about 11856.4210451552. The cubic root of 140574720 is about 519.9589711218.

The spelling of 140574720 in words is "one hundred forty million, five hundred seventy-four thousand, seven hundred twenty".