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140073620 = 22519793539
BaseRepresentation
bin10000101100101…
…01101010010100
3100202120110212212
420112111222110
5241324323440
621522132552
73320414621
oct1026255224
9322513785
10140073620
1172082425
123aab1158
13230349cb
1414863348
15c46d465
hex8595a94

140073620 has 24 divisors (see below), whose sum is σ = 294386400. Its totient is φ = 55985312.

The previous prime is 140073613. The next prime is 140073623. The reversal of 140073620 is 26370041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140073623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37811 + ... + 41349.

It is an arithmetic number, because the mean of its divisors is an integer number (12266100).

Almost surely, 2140073620 is an apocalyptic number.

140073620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140073620 is an abundant number, since it is smaller than the sum of its proper divisors (154312780).

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

140073620 is a wasteful number, since it uses less digits than its factorization.

140073620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 140073620 is about 11835.2701701313. The cubic root of 140073620 is about 519.3404112395.

The spelling of 140073620 in words is "one hundred forty million, seventy-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1979 3539 3958 7078 7916 9895 14156 17695 19790 35390 39580 70780 7003681 14007362 28014724 35018405 70036810 140073620