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140457315 = 3517550813
BaseRepresentation
bin10000101111100…
…11010101100011
3100210021222012210
420113303111203
5241424113230
621534253203
73323603355
oct1027632543
9323258183
10140457315
1172314729
123b057203
132313a54b
14149230d5
15c4e6eb0
hex85f3563

140457315 has 16 divisors (see below), whose sum is σ = 237951648. Its totient is φ = 70503936.

The previous prime is 140457313. The next prime is 140457323. The reversal of 140457315 is 513754041.

It is not a de Polignac number, because 140457315 - 21 = 140457313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140457313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275152 + ... + 275661.

It is an arithmetic number, because the mean of its divisors is an integer number (14871978).

Almost surely, 2140457315 is an apocalyptic number.

140457315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140457315 is a deficient number, since it is larger than the sum of its proper divisors (97494333).

140457315 is a wasteful number, since it uses less digits than its factorization.

140457315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550838.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 140457315 is about 11851.4688963014. The cubic root of 140457315 is about 519.8141779338.

The spelling of 140457315 in words is "one hundred forty million, four hundred fifty-seven thousand, three hundred fifteen".

Divisors: 1 3 5 15 17 51 85 255 550813 1652439 2754065 8262195 9363821 28091463 46819105 140457315