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87741393 = 3376191277
BaseRepresentation
bin1010011101011…
…01001111010001
320010002201120020
411032231033101
5134430211033
612412334053
72113534545
oct516551721
9203081506
1087741393
1145589453
1225474329
1315240bac
14b91da25
157a826b3
hex53ad3d1

87741393 has 16 divisors (see below), whose sum is σ = 120438720. Its totient is φ = 56776896.

The previous prime is 87741349. The next prime is 87741397. The reversal of 87741393 is 39314778.

It is not a de Polignac number, because 87741393 - 217 = 87610321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87741397) 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, 68071 + ... + 69347.

It is an arithmetic number, because the mean of its divisors is an integer number (7527420).

Almost surely, 287741393 is an apocalyptic number.

It is an amenable number.

87741393 is a deficient number, since it is larger than the sum of its proper divisors (32697327).

87741393 is a wasteful number, since it uses less digits than its factorization.

87741393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

The product of its digits is 127008, while the sum is 42.

The square root of 87741393 is about 9367.0375786585. The cubic root of 87741393 is about 444.3598808951.

The spelling of 87741393 in words is "eighty-seven million, seven hundred forty-one thousand, three hundred ninety-three".

Divisors: 1 3 37 111 619 1277 1857 3831 22903 47249 68709 141747 790463 2371389 29247131 87741393