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1343242438 = 21994617321
BaseRepresentation
bin101000000010000…
…0100000011000110
310110121112210012221
41100010010003012
510222332224223
6341142202554
745200241466
oct12004040306
93417483187
101343242438
1162a252a1a
12315a2345a
13185398615
14ca579ba6
157cdd2b5d
hex501040c6

1343242438 has 16 divisors (see below), whose sum is σ = 2029658400. Its totient is φ = 666705600.

The previous prime is 1343242423. The next prime is 1343242457. The reversal of 1343242438 is 8342423431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179818 + ... + 187138.

It is an arithmetic number, because the mean of its divisors is an integer number (126853650).

Almost surely, 21343242438 is an apocalyptic number.

1343242438 is a deficient number, since it is larger than the sum of its proper divisors (686415962).

1343242438 is a wasteful number, since it uses less digits than its factorization.

1343242438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983.

The product of its digits is 55296, while the sum is 34.

The square root of 1343242438 is about 36650.2720044477. The cubic root of 1343242438 is about 1103.3622847454.

Adding to 1343242438 its reverse (8342423431), we get a palindrome (9685665869).

The spelling of 1343242438 in words is "one billion, three hundred forty-three million, two hundred forty-two thousand, four hundred thirty-eight".

Divisors: 1 2 199 398 461 922 7321 14642 91739 183478 1456879 2913758 3374981 6749962 671621219 1343242438