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2431431442 = 211110519611
BaseRepresentation
bin1001000011101100…
…1011001100010010
320021110011111220101
42100323023030102
514434421301232
61041134003014
7114152553256
oct22073131422
96243144811
102431431442
111038530480
1257a34646a
132c997233b
14190cc2266
15e36d41e7
hex90ecb312

2431431442 has 8 divisors (see below), whose sum is σ = 3978706032. Its totient is φ = 1105196100.

The previous prime is 2431431421. The next prime is 2431431469. The reversal of 2431431442 is 2441341342.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2431431442.

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, 55259784 + ... + 55259827.

It is an arithmetic number, because the mean of its divisors is an integer number (497338254).

Almost surely, 22431431442 is an apocalyptic number.

2431431442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2431431442 is a deficient number, since it is larger than the sum of its proper divisors (1547274590).

2431431442 is a wasteful number, since it uses less digits than its factorization.

2431431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110519624.

The product of its digits is 9216, while the sum is 28.

The square root of 2431431442 is about 49309.5471688800. The cubic root of 2431431442 is about 1344.6853586083.

Adding to 2431431442 its reverse (2441341342), we get a palindrome (4872772784).

The spelling of 2431431442 in words is "two billion, four hundred thirty-one million, four hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 11 22 110519611 221039222 1215715721 2431431442