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1314520450 = 25226290409
BaseRepresentation
bin100111001011001…
…1111110110000010
310101121111120001121
41032112133312002
510143004123300
6334234422454
744401145065
oct11626376602
93347446047
101314520450
11615015741
12308291a2a
1317c450269
14c68208dc
157a60c81a
hex4e59fd82

1314520450 has 12 divisors (see below), whose sum is σ = 2445008130. Its totient is φ = 525808160.

The previous prime is 1314520447. The next prime is 1314520451. The reversal of 1314520450 is 540254131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 963295369 + 351225081 = 31037^2 + 18741^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1314520451) 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 5 ways as a sum of consecutive naturals, for example, 13145155 + ... + 13145254.

Almost surely, 21314520450 is an apocalyptic number.

1314520450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1314520450 is a deficient number, since it is larger than the sum of its proper divisors (1130487680).

1314520450 is a wasteful number, since it uses less digits than its factorization.

1314520450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26290421 (or 26290416 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1314520450 is about 36256.3160014914. The cubic root of 1314520450 is about 1095.4413127715.

Adding to 1314520450 its reverse (540254131), we get a palindrome (1854774581).

The spelling of 1314520450 in words is "one billion, three hundred fourteen million, five hundred twenty thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 26290409 52580818 131452045 262904090 657260225 1314520450