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1474002991 = 4013367307
BaseRepresentation
bin101011111011011…
…1000000000101111
310210201121002222101
41113312320000233
511004321043431
6402132555531
751345550546
oct12766700057
93721532871
101474002991
1169704429a
12351782ba7
131a64bc326
14dda9715d
1589611961
hex57db802f

1474002991 has 4 divisors (see below), whose sum is σ = 1474374312. Its totient is φ = 1473631672.

The previous prime is 1474002983. The next prime is 1474002997. The reversal of 1474002991 is 1992004741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1992004741 = 2717350571.

It is a cyclic number.

It is not a de Polignac number, because 1474002991 - 23 = 1474002983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1474002991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474002997) 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, 179641 + ... + 187666.

It is an arithmetic number, because the mean of its divisors is an integer number (368593578).

Almost surely, 21474002991 is an apocalyptic number.

1474002991 is a deficient number, since it is larger than the sum of its proper divisors (371321).

1474002991 is an equidigital number, since it uses as much as digits as its factorization.

1474002991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371320.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1474002991 is about 38392.7465935950. The cubic root of 1474002991 is about 1138.0625218537.

The spelling of 1474002991 in words is "one billion, four hundred seventy-four million, two thousand, nine hundred ninety-one".

Divisors: 1 4013 367307 1474002991