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2331140442 = 23388523407
BaseRepresentation
bin1000101011110010…
…0110000101011010
320000110110012111220
42022330212011122
514233232443232
61023152232510
7111524236551
oct21274460532
96013405456
102331140442
11a96960354
1255083b736
132b1c59257
14181856d98
15d99c342c
hex8af2615a

2331140442 has 8 divisors (see below), whose sum is σ = 4662280896. Its totient is φ = 777046812.

The previous prime is 2331140431. The next prime is 2331140501. The reversal of 2331140442 is 2440411332.

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

2331140442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194261698 + ... + 194261709.

It is an arithmetic number, because the mean of its divisors is an integer number (582785112).

Almost surely, 22331140442 is an apocalyptic number.

2331140442 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.

2331140442 is a wasteful number, since it uses less digits than its factorization.

2331140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388523412.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2331140442 is about 48281.8852365978. The cubic root of 2331140442 is about 1325.9367657285.

Adding to 2331140442 its reverse (2440411332), we get a palindrome (4771551774).

The spelling of 2331140442 in words is "two billion, three hundred thirty-one million, one hundred forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 388523407 777046814 1165570221 2331140442