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47052305 = 59410461
BaseRepresentation
bin1011001101111…
…1011000010001
310021112111121222
42303133120101
544021133210
64400254425
71110636506
oct263373021
9107474558
1047052305
1124618103
1213911415
139995801
14636b4ad
1541e6655
hex2cdf611

47052305 has 4 divisors (see below), whose sum is σ = 56462772. Its totient is φ = 37641840.

The previous prime is 47052301. The next prime is 47052307. The reversal of 47052305 is 50325074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50325074 = 225162537.

It can be written as a sum of positive squares in 2 ways, for example, as 15737089 + 31315216 = 3967^2 + 5596^2 .

It is not a de Polignac number, because 47052305 - 22 = 47052301 is a prime.

It is a super-3 number, since 3×470523053 (a number of 24 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47052301) 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, 4705226 + ... + 4705235.

It is an arithmetic number, because the mean of its divisors is an integer number (14115693).

Almost surely, 247052305 is an apocalyptic number.

It is an amenable number.

47052305 is a deficient number, since it is larger than the sum of its proper divisors (9410467).

47052305 is an equidigital number, since it uses as much as digits as its factorization.

47052305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410466.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 47052305 is about 6859.4682738533. The cubic root of 47052305 is about 361.0164304746.

Adding to 47052305 its reverse (50325074), we get a palindrome (97377379).

The spelling of 47052305 in words is "forty-seven million, fifty-two thousand, three hundred five".

Divisors: 1 5 9410461 47052305