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48847971 = 331525247
BaseRepresentation
bin1011101001010…
…1110001100011
310101220201211010
42322111301203
5100001113341
64502552003
71132125624
oct272256143
9111821733
1048847971
1125634227
1214438603
13a173c33
1466b7a4b
15444d716
hex2e95c63

48847971 has 8 divisors (see below), whose sum is σ = 67231744. Its totient is φ = 31514760.

The previous prime is 48847963. The next prime is 48847999. The reversal of 48847971 is 17974884.

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

It is not a de Polignac number, because 48847971 - 23 = 48847963 is a prime.

It is a super-2 number, since 2×488479712 = 4772248541633682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48847971.

It is not an unprimeable number, because it can be changed into a prime (48847901) 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, 262531 + ... + 262716.

It is an arithmetic number, because the mean of its divisors is an integer number (8403968).

Almost surely, 248847971 is an apocalyptic number.

48847971 is a deficient number, since it is larger than the sum of its proper divisors (18383773).

48847971 is a wasteful number, since it uses less digits than its factorization.

48847971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525281.

The product of its digits is 451584, while the sum is 48.

The square root of 48847971 is about 6989.1323495839. The cubic root of 48847971 is about 365.5517295503.

The spelling of 48847971 in words is "forty-eight million, eight hundred forty-seven thousand, nine hundred seventy-one".

Divisors: 1 3 31 93 525247 1575741 16282657 48847971