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47140425 = 32521911027
BaseRepresentation
bin1011001111010…
…0111001001001
310021200222111200
42303310321021
544031443200
64402214413
71111454433
oct263647111
9107628450
1047140425
1124678332
1213954409
1399c6957
146391653
154212800
hex2cf4e49

47140425 has 36 divisors (see below), whose sum is σ = 88885680. Its totient is φ = 23816160.

The previous prime is 47140421. The next prime is 47140441. The reversal of 47140425 is 52404174.

It is not a de Polignac number, because 47140425 - 22 = 47140421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47140421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1239 + ... + 9788.

Almost surely, 247140425 is an apocalyptic number.

47140425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47140425 is a deficient number, since it is larger than the sum of its proper divisors (41745255).

47140425 is a wasteful number, since it uses less digits than its factorization.

47140425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062 (or 11054 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 47140425 is about 6865.8885076878. Note that the first 3 decimals coincide. The cubic root of 47140425 is about 361.2416615852.

Adding to 47140425 its reverse (52404174), we get a palindrome (99544599).

The spelling of 47140425 in words is "forty-seven million, one hundred forty thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 19 25 45 57 75 95 171 225 285 475 855 1425 4275 11027 33081 55135 99243 165405 209513 275675 496215 628539 827025 1047565 1885617 2481075 3142695 5237825 9428085 15713475 47140425