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48977947 is a prime number
BaseRepresentation
bin1011101011010…
…1100000011011
310102011100010001
42322311200123
5100014243242
64505433431
71133206564
oct272654033
9112140101
1048977947
1125712947
121449b877
13a1bb145
14670d16b
154476eb7
hex2eb581b

48977947 has 2 divisors, whose sum is σ = 48977948. Its totient is φ = 48977946.

The previous prime is 48977941. The next prime is 48977959. The reversal of 48977947 is 74977984.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48977947 is a prime.

It is not a weakly prime, because it can be changed into another prime (48977941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24488973 + 24488974.

It is an arithmetic number, because the mean of its divisors is an integer number (24488974).

Almost surely, 248977947 is an apocalyptic number.

48977947 is a deficient number, since it is larger than the sum of its proper divisors (1).

48977947 is an equidigital number, since it uses as much as digits as its factorization.

48977947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 55.

The square root of 48977947 is about 6998.4246084387. The cubic root of 48977947 is about 365.8756657109.

The spelling of 48977947 in words is "forty-eight million, nine hundred seventy-seven thousand, nine hundred forty-seven".