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1142401304 = 2311791011627
BaseRepresentation
bin100010000010111…
…1010100100011000
32221121121222222102
41010011322210120
54314423320204
6305205342532
740211152022
oct10405724430
92847558872
101142401304
11536946010
1227a707a48
131528a8505
14aba19012
156a45e41e
hex4417a918

1142401304 has 64 divisors (see below), whose sum is σ = 2391206400. Its totient is φ = 507312000.

The previous prime is 1142401279. The next prime is 1142401319. The reversal of 1142401304 is 4031042411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701339 + ... + 702965.

It is an arithmetic number, because the mean of its divisors is an integer number (37362600).

Almost surely, 21142401304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142401304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195603200).

1142401304 is an abundant number, since it is smaller than the sum of its proper divisors (1248805096).

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

1142401304 is a wasteful number, since it uses less digits than its factorization.

1142401304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142401304 is about 33799.4275691172. The cubic root of 1142401304 is about 1045.3768941865.

Adding to 1142401304 its reverse (4031042411), we get a palindrome (5173443715).

The spelling of 1142401304 in words is "one billion, one hundred forty-two million, four hundred one thousand, three hundred four".

Divisors: 1 2 4 8 11 22 44 79 88 101 158 202 316 404 632 808 869 1111 1627 1738 2222 3254 3476 4444 6508 6952 7979 8888 13016 15958 17897 31916 35794 63832 71588 87769 128533 143176 164327 175538 257066 328654 351076 514132 657308 702152 1028264 1314616 1413863 1807597 2827726 3615194 5655452 7230388 11310904 12981833 14460776 25963666 51927332 103854664 142800163 285600326 571200652 1142401304