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1992425848 = 23727616679
BaseRepresentation
bin111011011000010…
…0000000101111000
312010212002201102221
41312300200011320
513040030111343
6525412333424
7100242224500
oct16660400570
95125081387
101992425848
11932744036
12477314274
13259a24a0a
1414c886a00
15b9db85ed
hex76c20178

1992425848 has 48 divisors (see below), whose sum is σ = 4352086800. Its totient is φ = 852647040.

The previous prime is 1992425837. The next prime is 1992425849. The reversal of 1992425848 is 8485242991.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1992425795 and 1992425804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992425849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294973 + ... + 301651.

It is an arithmetic number, because the mean of its divisors is an integer number (90668475).

Almost surely, 21992425848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992425848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176043400).

1992425848 is an abundant number, since it is smaller than the sum of its proper divisors (2359660952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1992425848 is a wasteful number, since it uses less digits than its factorization.

1992425848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460 (or 7449 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The square root of 1992425848 is about 44636.5976301958. The cubic root of 1992425848 is about 1258.3285656569.

The spelling of 1992425848 in words is "one billion, nine hundred ninety-two million, four hundred twenty-five thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 761 1522 3044 5327 6088 6679 10654 13358 21308 26716 37289 42616 46753 53432 74578 93506 149156 187012 298312 327271 374024 654542 1309084 2618168 5082719 10165438 20330876 35579033 40661752 71158066 142316132 249053231 284632264 498106462 996212924 1992425848