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99987050 = 2528922469
BaseRepresentation
bin1011111010110…
…10111001101010
320222010212110002
411331122321222
5201044041200
613531023002
72322606302
oct575327152
9228125402
1099987050
1151492829
122959aa62
131793a947
14d3ca602
158ba0bd5
hex5f5ae6a

99987050 has 24 divisors (see below), whose sum is σ = 188073900. Its totient is φ = 39543680.

The previous prime is 99987037. The next prime is 99987067. The reversal of 99987050 is 5078999.

It can be written as a sum of positive squares in 6 ways, for example, as 33189121 + 66797929 = 5761^2 + 8173^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99986986 and 99987004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6785 + ... + 15684.

Almost surely, 299987050 is an apocalyptic number.

99987050 is a deficient number, since it is larger than the sum of its proper divisors (88086850).

99987050 is a wasteful number, since it uses less digits than its factorization.

99987050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22570 (or 22565 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 99987050 is about 9999.3524790358. The cubic root of 99987050 is about 464.1388463045.

The spelling of 99987050 in words is "ninety-nine million, nine hundred eighty-seven thousand, fifty".

Divisors: 1 2 5 10 25 50 89 178 445 890 2225 4450 22469 44938 112345 224690 561725 1123450 1999741 3999482 9998705 19997410 49993525 99987050