[go: up one dir, main page]

Search a number
-
+
47001077 = 71661987
BaseRepresentation
bin1011001101001…
…0110111110101
310021102220100122
42303102313311
544013013302
64355221325
71110334244
oct263226765
9107386318
1047001077
1124592672
12138a7845
1399783b6
14635695b
1541d63a2
hex2cd2df5

47001077 has 4 divisors (see below), whose sum is σ = 47663136. Its totient is φ = 46339020.

The previous prime is 47001067. The next prime is 47001091. The reversal of 47001077 is 77010074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77010074 = 238505037.

It is a cyclic number.

It is not a de Polignac number, because 47001077 - 224 = 30223861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47001037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330923 + ... + 331064.

It is an arithmetic number, because the mean of its divisors is an integer number (11915784).

Almost surely, 247001077 is an apocalyptic number.

It is an amenable number.

47001077 is a deficient number, since it is larger than the sum of its proper divisors (662059).

47001077 is an equidigital number, since it uses as much as digits as its factorization.

47001077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662058.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 47001077 is about 6855.7331482490. The cubic root of 47001077 is about 360.8853645217.

The spelling of 47001077 in words is "forty-seven million, one thousand, seventy-seven".

Divisors: 1 71 661987 47001077