Search a number
-
+
2381953542 = 23396992257
BaseRepresentation
bin1000110111111001…
…1011101000000110
320011000001202222120
42031332123220012
514334240003132
61032205310410
7113012161653
oct21576335006
96130052876
102381953542
111012606a51
12565865406
132bc63a787
141884c2c2a
15de1ae02c
hex8df9ba06

2381953542 has 8 divisors (see below), whose sum is σ = 4763907096. Its totient is φ = 793984512.

The previous prime is 2381953499. The next prime is 2381953549. The reversal of 2381953542 is 2453591832.

It is a sphenic number, since it is the product of 3 distinct primes.

2381953542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2381953494 and 2381953503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381953549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 198496123 + ... + 198496134.

It is an arithmetic number, because the mean of its divisors is an integer number (595488387).

Almost surely, 22381953542 is an apocalyptic number.

2381953542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2381953542 is a wasteful number, since it uses less digits than its factorization.

2381953542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396992262.

The product of its digits is 259200, while the sum is 42.

The square root of 2381953542 is about 48805.2614171874. The cubic root of 2381953542 is about 1335.5016499048.

The spelling of 2381953542 in words is "two billion, three hundred eighty-one million, nine hundred fifty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 396992257 793984514 1190976771 2381953542