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140609300 = 225213108161
BaseRepresentation
bin10000110000110…
…00011100010100
3100210120200200212
420120120130110
5241443444200
621541424552
73325105436
oct1030303424
9323520625
10140609300
1172408937
123b10b158
1323191790
1414962656
15c527035
hex8618714

140609300 has 36 divisors (see below), whose sum is σ = 328596156. Its totient is φ = 51916800.

The previous prime is 140609297. The next prime is 140609347. The reversal of 140609300 is 3906041.

It can be written as a sum of positive squares in 6 ways, for example, as 5026564 + 135582736 = 2242^2 + 11644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52781 + ... + 55380.

It is an arithmetic number, because the mean of its divisors is an integer number (9127671).

Almost surely, 2140609300 is an apocalyptic number.

140609300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140609300 is an abundant number, since it is smaller than the sum of its proper divisors (187986856).

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

140609300 is a wasteful number, since it uses less digits than its factorization.

140609300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108188 (or 108181 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 140609300 is about 11857.8792370305. The cubic root of 140609300 is about 520.0016025592.

The spelling of 140609300 in words is "one hundred forty million, six hundred nine thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 108161 216322 432644 540805 1081610 1406093 2163220 2704025 2812186 5408050 5624372 7030465 10816100 14060930 28121860 35152325 70304650 140609300