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1300555325 = 5252022213
BaseRepresentation
bin100110110000100…
…1110011000111101
310100122020001111202
41031201032120331
510130420232300
6333015225245
744141352326
oct11541163075
93318201452
101300555325
11608147513
12303678225
131795a0984
14c4a2744d
157929ead5
hex4d84e63d

1300555325 has 6 divisors (see below), whose sum is σ = 1612688634. Its totient is φ = 1040444240.

The previous prime is 1300555313. The next prime is 1300555327. The reversal of 1300555325 is 5235550031.

It can be written as a sum of positive squares in 3 ways, for example, as 302690404 + 997864921 = 17398^2 + 31589^2 .

It is a de Polignac number, because none of the positive numbers 2k-1300555325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300555327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26011082 + ... + 26011131.

It is an arithmetic number, because the mean of its divisors is an integer number (268781439).

Almost surely, 21300555325 is an apocalyptic number.

It is an amenable number.

1300555325 is a deficient number, since it is larger than the sum of its proper divisors (312133309).

1300555325 is an equidigital number, since it uses as much as digits as its factorization.

1300555325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52022223 (or 52022218 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 1300555325 is about 36063.2129045652. The cubic root of 1300555325 is about 1091.5482654901.

The spelling of 1300555325 in words is "one billion, three hundred million, five hundred fifty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 52022213 260111065 1300555325