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1474807393 = 7320202841
BaseRepresentation
bin101011111100111…
…1100011001100001
310210210002222102001
41113321330121201
511010022314033
6402202124001
751355441003
oct12771743141
93723088361
101474807393
11697543694
12351ab0601
131a67114c7
14ddc26373
158971ee7d
hex57e7c661

1474807393 has 4 divisors (see below), whose sum is σ = 1495010308. Its totient is φ = 1454604480.

The previous prime is 1474807363. The next prime is 1474807427. The reversal of 1474807393 is 3937084741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3937084741 = 16012459141.

It can be written as a sum of positive squares in 2 ways, for example, as 1224440064 + 250367329 = 34992^2 + 15823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474807393 - 213 = 1474799201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1474807343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10101348 + ... + 10101493.

It is an arithmetic number, because the mean of its divisors is an integer number (373752577).

Almost surely, 21474807393 is an apocalyptic number.

It is an amenable number.

1474807393 is a deficient number, since it is larger than the sum of its proper divisors (20202915).

1474807393 is an equidigital number, since it uses as much as digits as its factorization.

1474807393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202914.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 1474807393 is about 38403.2211279210. The cubic root of 1474807393 is about 1138.2695077044.

The spelling of 1474807393 in words is "one billion, four hundred seventy-four million, eight hundred seven thousand, three hundred ninety-three".

Divisors: 1 73 20202841 1474807393