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47027401 = 47261349
BaseRepresentation
bin1011001101100…
…1010011001001
310021111020110121
42303121103021
544014334101
64355543241
71110504061
oct263312311
9107436417
1047027401
1124600423
12138bab21
139987385
1463623a1
1541de0a1
hex2cd94c9

47027401 has 12 divisors (see below), whose sum is σ = 48976900. Its totient is φ = 45142560.

The previous prime is 47027381. The next prime is 47027419. The reversal of 47027401 is 10472074.

47027401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15217801 + 31809600 = 3901^2 + 5640^2 .

It is not a de Polignac number, because 47027401 - 27 = 47027273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47022401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134575 + ... + 134923.

Almost surely, 247027401 is an apocalyptic number.

It is an amenable number.

47027401 is a deficient number, since it is larger than the sum of its proper divisors (1949499).

47027401 is an equidigital number, since it uses as much as digits as its factorization.

47027401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 47027401 is about 6857.6527325317. The cubic root of 47027401 is about 360.9527259095.

Adding to 47027401 its reverse (10472074), we get a palindrome (57499475).

The spelling of 47027401 in words is "forty-seven million, twenty-seven thousand, four hundred one".

Divisors: 1 47 61 349 2209 2867 16403 21289 134749 770941 1000583 47027401