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140012648 = 2379221539
BaseRepresentation
bin10000101100001…
…10110001101000
3100202110101020122
420112012301220
5241320401043
621520542412
73320042066
oct1026066150
9322411218
10140012648
1172040636
123aa81a08
1323013029
1414849036
15c45a368
hex8586c68

140012648 has 16 divisors (see below), whose sum is σ = 265848000. Its totient is φ = 69119856.

The previous prime is 140012641. The next prime is 140012651. The reversal of 140012648 is 846210041.

It is not an unprimeable number, because it can be changed into a prime (140012641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110138 + ... + 111401.

It is an arithmetic number, because the mean of its divisors is an integer number (16615500).

Almost surely, 2140012648 is an apocalyptic number.

It is an amenable number.

140012648 is a deficient number, since it is larger than the sum of its proper divisors (125835352).

140012648 is a wasteful number, since it uses less digits than its factorization.

140012648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221624 (or 221620 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 140012648 is about 11832.6940296790. The cubic root of 140012648 is about 519.2650465393.

Adding to 140012648 its reverse (846210041), we get a palindrome (986222689).

The spelling of 140012648 in words is "one hundred forty million, twelve thousand, six hundred forty-eight".

Divisors: 1 2 4 8 79 158 316 632 221539 443078 886156 1772312 17501581 35003162 70006324 140012648