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140803749 = 3235943579
BaseRepresentation
bin10000110010001…
…11111010100101
3100210221120102200
420121013322211
5242021204444
621545525113
73326545362
oct1031077245
9323846380
10140803749
1172530a39
123b1a3799
132322c138
14149b3469
15c564969
hex8647ea5

140803749 has 12 divisors (see below), whose sum is σ = 203954400. Its totient is φ = 93605544.

The previous prime is 140803711. The next prime is 140803753. The reversal of 140803749 is 947308041.

It is a happy number.

140803749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140803749 - 29 = 140803237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140803709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18559 + ... + 25020.

It is an arithmetic number, because the mean of its divisors is an integer number (16996200).

Almost surely, 2140803749 is an apocalyptic number.

It is an amenable number.

140803749 is a deficient number, since it is larger than the sum of its proper divisors (63150651).

140803749 is a wasteful number, since it uses less digits than its factorization.

140803749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43944 (or 43941 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140803749 is about 11866.0755517568. The cubic root of 140803749 is about 520.2411960455.

The spelling of 140803749 in words is "one hundred forty million, eight hundred three thousand, seven hundred forty-nine".

Divisors: 1 3 9 359 1077 3231 43579 130737 392211 15644861 46934583 140803749