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47975465 = 539724169
BaseRepresentation
bin1011011100000…
…0110000101001
310100021101222002
42313000300221
544240203330
64432140345
71121533106
oct267006051
9110241862
1047975465
112509874a
12140976b5
139c29a65
14652baad
154329e45
hex2dc0c29

47975465 has 8 divisors (see below), whose sum is σ = 57717960. Its totient is φ = 38282112.

The previous prime is 47975449. The next prime is 47975503. The reversal of 47975465 is 56457974.

It can be written as a sum of positive squares in 4 ways, for example, as 21049744 + 26925721 = 4588^2 + 5189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47975465 - 24 = 47975449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10100 + ... + 14069.

It is an arithmetic number, because the mean of its divisors is an integer number (7214745).

Almost surely, 247975465 is an apocalyptic number.

It is an amenable number.

47975465 is a deficient number, since it is larger than the sum of its proper divisors (9742495).

47975465 is a wasteful number, since it uses less digits than its factorization.

47975465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24571.

The product of its digits is 1058400, while the sum is 47.

The square root of 47975465 is about 6926.4323428443. The cubic root of 47975465 is about 363.3621871052.

The spelling of 47975465 in words is "forty-seven million, nine hundred seventy-five thousand, four hundred sixty-five".

Divisors: 1 5 397 1985 24169 120845 9595093 47975465