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47317005 = 32531107317
BaseRepresentation
bin1011010010000…
…0000000001101
310022000221201200
42310200000031
544103121010
64410100113
71113121311
oct264400015
9108027650
1047317005
1124788a6a
1213a1a639
139a59138
1463d9b41
154249cc0
hex2d2000d

47317005 has 48 divisors (see below), whose sum is σ = 85722624. Its totient is φ = 24117120.

The previous prime is 47316991. The next prime is 47317007. The reversal of 47317005 is 50071374.

It is not a de Polignac number, because 47317005 - 27 = 47316877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47317005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47317007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149107 + ... + 149423.

It is an arithmetic number, because the mean of its divisors is an integer number (1785888).

Almost surely, 247317005 is an apocalyptic number.

47317005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47317005 is a deficient number, since it is larger than the sum of its proper divisors (38405619).

47317005 is a wasteful number, since it uses less digits than its factorization.

47317005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 47317005 is about 6878.7357123239. The cubic root of 47317005 is about 361.6921494736.

Adding to 47317005 its reverse (50071374), we get a palindrome (97388379).

The spelling of 47317005 in words is "forty-seven million, three hundred seventeen thousand, five".

Divisors: 1 3 5 9 15 31 45 93 107 155 279 317 321 465 535 951 963 1395 1585 1605 2853 3317 4755 4815 9827 9951 14265 16585 29481 29853 33919 49135 49755 88443 101757 147405 149265 169595 305271 442215 508785 1051489 1526355 3154467 5257445 9463401 15772335 47317005