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1304975427 = 37487127601
BaseRepresentation
bin100110111001000…
…0101100001000011
310100221112121202020
41031302011201003
510133033203202
6333254052523
744224052040
oct11562054103
93327477666
101304975427
1160a696398
1230504a143
1317a48a812
14c54581c7
15798745bc
hex4dc85843

1304975427 has 16 divisors (see below), whose sum is σ = 1992632832. Its totient is φ = 744163200.

The previous prime is 1304975407. The next prime is 1304975467. The reversal of 1304975427 is 7245794031.

It is not a de Polignac number, because 1304975427 - 27 = 1304975299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304975407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53574 + ... + 74027.

It is an arithmetic number, because the mean of its divisors is an integer number (124539552).

Almost surely, 21304975427 is an apocalyptic number.

1304975427 is a deficient number, since it is larger than the sum of its proper divisors (687657405).

1304975427 is a wasteful number, since it uses less digits than its factorization.

1304975427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128098.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 1304975427 is about 36124.4436220131. The cubic root of 1304975427 is about 1092.7834555737.

The spelling of 1304975427 in words is "one billion, three hundred four million, nine hundred seventy-five thousand, four hundred twenty-seven".

Divisors: 1 3 7 21 487 1461 3409 10227 127601 382803 893207 2679621 62141687 186425061 434991809 1304975427