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1143301434 = 2311232772719
BaseRepresentation
bin100010000100101…
…0110010100111010
32221200022201201120
41010021112110322
54320141121214
6305240530110
740221621222
oct10411262472
92850281646
101143301434
11537400320
1227aa80936
13152b32132
14abbb1082
156a58aea9
hex4425653a

1143301434 has 64 divisors (see below), whose sum is σ = 2613288960. Its totient is φ = 330073920.

The previous prime is 1143301433. The next prime is 1143301487. The reversal of 1143301434 is 4341033411.

It is not an unprimeable number, because it can be changed into a prime (1143301433) 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 31 ways as a sum of consecutive naturals, for example, 419127 + ... + 421845.

It is an arithmetic number, because the mean of its divisors is an integer number (40832640).

Almost surely, 21143301434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143301434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306644480).

1143301434 is an abundant number, since it is smaller than the sum of its proper divisors (1469987526).

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

1143301434 is a wasteful number, since it uses less digits than its factorization.

1143301434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1143301434 is about 33812.7407052430. The cubic root of 1143301434 is about 1045.6513826896.

Adding to 1143301434 its reverse (4341033411), we get a palindrome (5484334845).

The spelling of 1143301434 in words is "one billion, one hundred forty-three million, three hundred one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 277 506 554 759 831 1518 1662 2719 3047 5438 6094 6371 8157 9141 12742 16314 18282 19113 29909 38226 59818 62537 70081 89727 125074 140162 179454 187611 210243 375222 420486 687907 753163 1375814 1506326 2063721 2259489 4127442 4518978 8284793 16569586 17322749 24854379 34645498 49708758 51968247 103936494 190550239 381100478 571650717 1143301434