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47999995 = 510199421
BaseRepresentation
bin1011011100011…
…0101111111011
310100022122121121
42313012233323
544241444440
64432450111
71121664451
oct267065773
9110278547
1047999995
112510511a
12140a9937
139c37c84
1465369d1
15433234a
hex2dc6bfb

47999995 has 8 divisors (see below), whose sum is σ = 57662640. Its totient is φ = 38358240.

The previous prime is 47999969. The next prime is 48000013. The reversal of 47999995 is 59999974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47999995 - 211 = 47997947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (7207830).

Almost surely, 247999995 is an apocalyptic number.

47999995 is a deficient number, since it is larger than the sum of its proper divisors (9662645).

47999995 is a wasteful number, since it uses less digits than its factorization.

47999995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445.

The product of its digits is 8266860, while the sum is 61.

The square root of 47999995 is about 6928.2028694316. The cubic root of 47999995 is about 363.4241059475.

The spelling of 47999995 in words is "forty-seven million, nine hundred ninety-nine thousand, nine hundred ninety-five".

Divisors: 1 5 1019 5095 9421 47105 9599999 47999995