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1304243430 = 23576539511
BaseRepresentation
bin100110110111101…
…0010110011100110
310100220011102122020
41031233102303212
510132341242210
6333230244010
744214612660
oct11557226346
93326142566
101304243430
1160a236436
12304956606
1317a292599
14c5307530
157977c770
hex4dbd2ce6

1304243430 has 64 divisors (see below), whose sum is σ = 3583208448. Its totient is φ = 297624960.

The previous prime is 1304243407. The next prime is 1304243459. The reversal of 1304243430 is 343424031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304243430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132375 + ... + 141885.

It is an arithmetic number, because the mean of its divisors is an integer number (55987632).

Almost surely, 21304243430 is an apocalyptic number.

1304243430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304243430 is an abundant number, since it is smaller than the sum of its proper divisors (2278965018).

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

1304243430 is a wasteful number, since it uses less digits than its factorization.

1304243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1304243430 is about 36114.3105984318. The cubic root of 1304243430 is about 1092.5790931502.

Adding to 1304243430 its reverse (343424031), we get a palindrome (1647667461).

The spelling of 1304243430 in words is "one billion, three hundred four million, two hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 653 1306 1959 3265 3918 4571 6530 9142 9511 9795 13713 19022 19590 22855 27426 28533 45710 47555 57066 66577 68565 95110 133154 137130 142665 199731 285330 332885 399462 665770 998655 1997310 6210683 12421366 18632049 31053415 37264098 43474781 62106830 86949562 93160245 130424343 186320490 217373905 260848686 434747810 652121715 1304243430