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992845893 = 313191339873
BaseRepresentation
bin111011001011011…
…010000001000101
32120012012210112010
4323023122001011
54013132032033
6242304044433
733414023304
oct7313320105
92505183463
10992845893
1146a4878a6
12238603719
1312a903aa0
1495c0843b
155c26b863
hex3b2da045

992845893 has 16 divisors (see below), whose sum is σ = 1500658880. Its totient is φ = 578824704.

The previous prime is 992845879. The next prime is 992845927. The reversal of 992845893 is 398548299.

It is not a de Polignac number, because 992845893 - 210 = 992844869 is a prime.

It is a super-3 number, since 3×9928458933 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992845193) 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, 669196 + ... + 670677.

It is an arithmetic number, because the mean of its divisors is an integer number (93791180).

Almost surely, 2992845893 is an apocalyptic number.

It is an amenable number.

992845893 is a deficient number, since it is larger than the sum of its proper divisors (507812987).

992845893 is a wasteful number, since it uses less digits than its factorization.

992845893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339908.

The product of its digits is 5598720, while the sum is 57.

The square root of 992845893 is about 31509.4571993870. The cubic root of 992845893 is about 997.6095881509.

The spelling of 992845893 in words is "nine hundred ninety-two million, eight hundred forty-five thousand, eight hundred ninety-three".

Divisors: 1 3 13 19 39 57 247 741 1339873 4019619 17418349 25457587 52255047 76372761 330948631 992845893