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1303438485 = 35557156007
BaseRepresentation
bin100110110110000…
…1110010010010101
310100211122112110110
41031230032102111
510132140012420
6333201113233
744205021126
oct11554162225
93324575413
101303438485
11609836698
12304628819
1317a07009b
14c517804d
157966dee0
hex4db0e495

1303438485 has 16 divisors (see below), whose sum is σ = 2089259136. Its totient is φ = 693914688.

The previous prime is 1303438453. The next prime is 1303438511. The reversal of 1303438485 is 5848343031.

It is not a de Polignac number, because 1303438485 - 25 = 1303438453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69649 + ... + 86358.

It is an arithmetic number, because the mean of its divisors is an integer number (130578696).

Almost surely, 21303438485 is an apocalyptic number.

1303438485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1303438485 is a deficient number, since it is larger than the sum of its proper divisors (785820651).

1303438485 is a wasteful number, since it uses less digits than its factorization.

1303438485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156572.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 1303438485 is about 36103.1644734918. The cubic root of 1303438485 is about 1092.3542764614.

The spelling of 1303438485 in words is "one billion, three hundred three million, four hundred thirty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 15 557 1671 2785 8355 156007 468021 780035 2340105 86895899 260687697 434479495 1303438485