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140264450 = 25217473511
BaseRepresentation
bin10000101110001…
…00010000000010
3100202221011122122
420113010100002
5241401430300
621530204242
73322141154
oct1027042002
9322834578
10140264450
11721a2837
123ab83682
13230a0821
14148b2ad4
15c4a9c85
hex85c4402

140264450 has 48 divisors (see below), whose sum is σ = 282196224. Its totient is φ = 51667200.

The previous prime is 140264407. The next prime is 140264459. The reversal of 140264450 is 54462041.

It is not an unprimeable number, because it can be changed into a prime (140264459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38195 + ... + 41705.

It is an arithmetic number, because the mean of its divisors is an integer number (5879088).

Almost surely, 2140264450 is an apocalyptic number.

140264450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140264450 is an abundant number, since it is smaller than the sum of its proper divisors (141931774).

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

140264450 is a wasteful number, since it uses less digits than its factorization.

140264450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 140264450 is about 11843.3293460918. The cubic root of 140264450 is about 519.5761462266.

The spelling of 140264450 in words is "one hundred forty million, two hundred sixty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 17 25 34 47 50 85 94 170 235 425 470 799 850 1175 1598 2350 3511 3995 7022 7990 17555 19975 35110 39950 59687 87775 119374 165017 175550 298435 330034 596870 825085 1492175 1650170 2805289 2984350 4125425 5610578 8250850 14026445 28052890 70132225 140264450