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1304253525 = 352234716087
BaseRepresentation
bin100110110111101…
…0101010001010101
310100220011221111010
41031233111101111
510132342103100
6333230402433
744214654261
oct11557252125
93326157433
101304253525
1160a242a83
12304960419
1317a297063
14c530b0a1
1579780750
hex4dbd5455

1304253525 has 48 divisors (see below), whose sum is σ = 2298138624. Its totient is φ = 651161280.

The previous prime is 1304253523. The next prime is 1304253529. The reversal of 1304253525 is 5253524031.

It is not a de Polignac number, because 1304253525 - 21 = 1304253523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304253492 and 1304253501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304253523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73032 + ... + 89118.

It is an arithmetic number, because the mean of its divisors is an integer number (47877888).

Almost surely, 21304253525 is an apocalyptic number.

1304253525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304253525 is a deficient number, since it is larger than the sum of its proper divisors (993885099).

1304253525 is a wasteful number, since it uses less digits than its factorization.

1304253525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170 (or 16165 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1304253525 is about 36114.4503627011. The cubic root of 1304253525 is about 1092.5819120405.

Adding to 1304253525 its reverse (5253524031), we get a palindrome (6557777556).

The spelling of 1304253525 in words is "one billion, three hundred four million, two hundred fifty-three thousand, five hundred twenty-five".

Divisors: 1 3 5 15 23 25 47 69 75 115 141 235 345 575 705 1081 1175 1725 3243 3525 5405 16087 16215 27025 48261 80435 81075 241305 370001 402175 756089 1110003 1206525 1850005 2268267 3780445 5550015 9250025 11341335 17390047 18902225 27750075 52170141 56706675 86950235 260850705 434751175 1304253525