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99885973 = 1153732347
BaseRepresentation
bin1011111010000…
…10001110010101
320221221201210111
411331002032111
5201032322343
613524523021
72322005515
oct575021625
9227851714
1099885973
11514238a0
1229550471
1317903935
14d3a1845
158b80c9d
hex5f42395

99885973 has 16 divisors (see below), whose sum is σ = 112591296. Its totient is φ = 87834240.

The previous prime is 99885967. The next prime is 99885979. The reversal of 99885973 is 37958899.

It is an interprime number because it is at equal distance from previous prime (99885967) and next prime (99885979).

It is a cyclic number.

It is not a de Polignac number, because 99885973 - 213 = 99877781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99885979) 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, 41386 + ... + 43732.

It is an arithmetic number, because the mean of its divisors is an integer number (7036956).

Almost surely, 299885973 is an apocalyptic number.

It is an amenable number.

99885973 is a deficient number, since it is larger than the sum of its proper divisors (12705323).

99885973 is a wasteful number, since it uses less digits than its factorization.

99885973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484.

The product of its digits is 4898880, while the sum is 58.

The square root of 99885973 is about 9994.2970238031. The cubic root of 99885973 is about 463.9823941125.

The spelling of 99885973 in words is "ninety-nine million, eight hundred eighty-five thousand, nine hundred seventy-three".

Divisors: 1 11 53 73 583 803 2347 3869 25817 42559 124391 171331 1368301 1884641 9080543 99885973