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47145307 = 115972643
BaseRepresentation
bin1011001111011…
…0000101011011
310021201020012111
42303312011123
544032122212
64402253151
71111504606
oct263660533
9107636174
1047145307
1124680a70
12139571b7
1399c8c41
14639333d
154213ea7
hex2cf615b

47145307 has 8 divisors (see below), whose sum is σ = 52303680. Its totient is φ = 42132360.

The previous prime is 47145299. The next prime is 47145311. The reversal of 47145307 is 70354174.

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 47145307 - 23 = 47145299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47145317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35673 + ... + 36970.

It is an arithmetic number, because the mean of its divisors is an integer number (6537960).

Almost surely, 247145307 is an apocalyptic number.

47145307 is a deficient number, since it is larger than the sum of its proper divisors (5158373).

47145307 is a wasteful number, since it uses less digits than its factorization.

47145307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72713.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 47145307 is about 6866.2440242100. The cubic root of 47145307 is about 361.2541315683.

The spelling of 47145307 in words is "forty-seven million, one hundred forty-five thousand, three hundred seven".

Divisors: 1 11 59 649 72643 799073 4285937 47145307