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1301441430 = 235233974751
BaseRepresentation
bin100110110010010…
…0110101110010110
310100200220002000110
41031210212232112
510131132111210
6333050223450
744152032612
oct11544465626
93320802013
101301441430
116086a2233
12303a24b86
131798210b3
14c4bb8342
15793c7420
hex4d926b96

1301441430 has 64 divisors (see below), whose sum is σ = 3268159488. Its totient is φ = 331056000.

The previous prime is 1301441419. The next prime is 1301441437. The reversal of 1301441430 is 341441031.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1301441397 and 1301441406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301441437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271555 + ... + 276305.

It is an arithmetic number, because the mean of its divisors is an integer number (51064992).

Almost surely, 21301441430 is an apocalyptic number.

1301441430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301441430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634079744).

1301441430 is an abundant number, since it is smaller than the sum of its proper divisors (1966718058).

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

1301441430 is a wasteful number, since it uses less digits than its factorization.

1301441430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1301441430 is about 36075.4962543830. The cubic root of 1301441430 is about 1091.7961100773.

Adding to 1301441430 its reverse (341441031), we get a palindrome (1642882461).

The spelling of 1301441430 in words is "one billion, three hundred one million, four hundred forty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 397 690 794 1191 1985 2382 3970 4751 5955 9131 9502 11910 14253 18262 23755 27393 28506 45655 47510 54786 71265 91310 109273 136965 142530 218546 273930 327819 546365 655638 1092730 1639095 1886147 3278190 3772294 5658441 9430735 11316882 18861470 28292205 43381381 56584410 86762762 130144143 216906905 260288286 433813810 650720715 1301441430