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1300425421 = 1737271787
BaseRepresentation
bin100110110000010…
…1110101011001101
310100121222110022111
41031200232223031
510130402103141
6333012344021
744140301521
oct11540565315
93317873274
101300425421
11608068959
12303615011
131795567c9
14c49d1d81
1579276381
hex4d82eacd

1300425421 has 24 divisors (see below), whose sum is σ = 1436895936. Its totient is φ = 1172586240.

The previous prime is 1300425403. The next prime is 1300425433. The reversal of 1300425421 is 1245240031.

It is not a de Polignac number, because 1300425421 - 211 = 1300423373 is a prime.

It is a super-2 number, since 2×13004254212 = 3382212551166054482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300425392 and 1300425401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300425461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1651990 + ... + 1652776.

It is an arithmetic number, because the mean of its divisors is an integer number (59870664).

Almost surely, 21300425421 is an apocalyptic number.

It is an amenable number.

1300425421 is a deficient number, since it is larger than the sum of its proper divisors (136470515).

1300425421 is an equidigital number, since it uses as much as digits as its factorization.

1300425421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1300425421 is about 36061.4117998727. The cubic root of 1300425421 is about 1091.5119217313.

Adding to 1300425421 its reverse (1245240031), we get a palindrome (2545665452).

The spelling of 1300425421 in words is "one billion, three hundred million, four hundred twenty-five thousand, four hundred twenty-one".

Divisors: 1 17 37 71 629 787 1207 1369 2627 13379 23273 29119 44659 55877 97199 495023 949909 1077403 1652383 2067449 18315851 35146633 76495613 1300425421