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1301340420 = 2232510767567
BaseRepresentation
bin100110110010000…
…1110000100000100
310100200200221110100
41031210032010010
510131120343140
6333044124100
744151132252
oct11544160404
93320627410
101301340420
11608633356
12303996630
131797b7123
14c4b8d5d2
15793a7530
hex4d90e104

1301340420 has 72 divisors (see below), whose sum is σ = 3984349824. Its totient is φ = 343775808.

The previous prime is 1301340353. The next prime is 1301340487. The reversal of 1301340420 is 240431031.

1301340420 is a `hidden beast` number, since 1 + 301 + 340 + 4 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (1301340353) and next prime (1301340487).

It is a super-4 number, since 4×13013404204 (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1301340393 and 1301340402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14524 + ... + 53043.

It is an arithmetic number, because the mean of its divisors is an integer number (55338192).

Almost surely, 21301340420 is an apocalyptic number.

1301340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301340420 is an abundant number, since it is smaller than the sum of its proper divisors (2683009404).

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

1301340420 is a wasteful number, since it uses less digits than its factorization.

1301340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67689 (or 67684 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1301340420 is about 36074.0962464758. The cubic root of 1301340420 is about 1091.7678631464.

Adding to 1301340420 its reverse (240431031), we get a palindrome (1541771451).

The spelling of 1301340420 in words is "one billion, three hundred one million, three hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 107 180 214 321 428 535 642 963 1070 1284 1605 1926 2140 3210 3852 4815 6420 9630 19260 67567 135134 202701 270268 337835 405402 608103 675670 810804 1013505 1216206 1351340 2027010 2432412 3040515 4054020 6081030 7229669 12162060 14459338 21689007 28918676 36148345 43378014 65067021 72296690 86756028 108445035 130134042 144593380 216890070 260268084 325335105 433780140 650670210 1301340420