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1474463149 = 8291177839
BaseRepresentation
bin101011111100010…
…1000010110101101
310210202110111012021
41113320220112231
511004430310044
6402150510141
751352505245
oct12770502655
93722414167
101474463149
11697328a95
12351965351
131a6620903
14ddb76b25
15896a2e84
hex57e285ad

1474463149 has 4 divisors (see below), whose sum is σ = 1474649280. Its totient is φ = 1474277020.

The previous prime is 1474463143. The next prime is 1474463191. The reversal of 1474463149 is 9413644741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1474463149 - 23 = 1474463141 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 (1474463141) 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 3 ways as a sum of consecutive naturals, for example, 80629 + ... + 97210.

It is an arithmetic number, because the mean of its divisors is an integer number (368662320).

Almost surely, 21474463149 is an apocalyptic number.

It is an amenable number.

1474463149 is a deficient number, since it is larger than the sum of its proper divisors (186131).

1474463149 is an equidigital number, since it uses as much as digits as its factorization.

1474463149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186130.

The product of its digits is 290304, while the sum is 43.

The square root of 1474463149 is about 38398.7388985628. The cubic root of 1474463149 is about 1138.1809372823.

The spelling of 1474463149 in words is "one billion, four hundred seventy-four million, four hundred sixty-three thousand, one hundred forty-nine".

Divisors: 1 8291 177839 1474463149