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992017153 = 2227144543
BaseRepresentation
bin111011001000001…
…111101100000001
32120010122200201001
4323020033230001
54012424022103
6242234212001
733404002201
oct7310175401
92503580631
10992017153
11469a71196
12238284001
1312a6a37ca
1495a70401
155c15601d
hex3b20fb01

992017153 has 4 divisors (see below), whose sum is σ = 992083968. Its totient is φ = 991950340.

The previous prime is 992017111. The next prime is 992017199. The reversal of 992017153 is 351710299.

992017153 is a nontrivial binomial coefficient, being equal to C(44543, 2).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2k-992017153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992017553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 44542.

It is an arithmetic number, because the mean of its divisors is an integer number (248020992).

Almost surely, 2992017153 is an apocalyptic number.

992017153 is the 44542-nd triangular number.

992017153 is the 14848-th centered nonagonal number.

It is an amenable number.

992017153 is a deficient number, since it is larger than the sum of its proper divisors (66815).

992017153 is a wasteful number, since it uses less digits than its factorization.

992017153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66814.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 992017153 is about 31496.3037990174. The cubic root of 992017153 is about 997.3319387802.

The spelling of 992017153 in words is "nine hundred ninety-two million, seventeen thousand, one hundred fifty-three".

Divisors: 1 22271 44543 992017153