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1301430 = 235134771
BaseRepresentation
bin100111101101110110110
32110010020010
410331232312
5313121210
643521050
714030154
oct4755666
92403203
101301430
11809869
12529186
133674a0
1425c3d4
151aa920
hex13dbb6

1301430 has 64 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 309120.

The previous prime is 1301423. The next prime is 1301437. The reversal of 1301430 is 341031.

It is an interprime number because it is at equal distance from previous prime (1301423) and next prime (1301437).

1301430 is a modest number, since divided by 1430 gives 130 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301437) 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, 18295 + ... + 18365.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

21301430 is an apocalyptic number.

1301430 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 1301430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741824).

1301430 is an abundant number, since it is smaller than the sum of its proper divisors (2182218).

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

1301430 is a wasteful number, since it uses less digits than its factorization.

1301430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1301430 is about 1140.8023492262. The cubic root of 1301430 is about 109.1792913809.

Adding to 1301430 its reverse (341031), we get a palindrome (1642461).

The spelling of 1301430 in words is "one million, three hundred one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 47 65 71 78 94 130 141 142 195 213 235 282 355 390 426 470 611 705 710 923 1065 1222 1410 1833 1846 2130 2769 3055 3337 3666 4615 5538 6110 6674 9165 9230 10011 13845 16685 18330 20022 27690 33370 43381 50055 86762 100110 130143 216905 260286 433810 650715 1301430